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1
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Annuals
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(2)
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+
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Perennials
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(9)
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2 (1)
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Leaves undivided
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(3)
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+
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Leaves bipinnatisect
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48 Nepeta annua
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3 (2)
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Inflorescence of clearly separated verticillasters or of lax pedunculate cymes
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(4)
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+
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Inflorescence of terminal ovoid heads
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(7)
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4 (3)
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Verticiilasters borne in axis of leaves or bract-like upper leaves, ± sessile
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(7)
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+
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Cymes pedunculate with clearly pedicellate flowers
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(6)
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5
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Cauline leaves linear, upper spreading and recurved
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+
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Cauline leaves ovate to elliptic, upper spreading
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46 Nepeta pungens
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6 (4)
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Calyx 3.5-4 mm; nutlets inconspicuously depressed-tuberculate; peduncles not filiform
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34 Nepeta hindostana
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+
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Calyx c. 4.5 mm; nutlets clearly depressed-tuberculate; peduncles filiform
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33 Nepeta graciliflora
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7 (3)
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Indumentum of short hairs; nutlets smooth, shiny, with a small basal areole
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(8)
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+
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Indumentum dense, of long white villous hairs; nutlets verrucose with a long U-V-shaped areole
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47 Nepeta eriosphaera
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8 (7)
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Leaves ovate to rhombic; stems with only eglandular retrorse hairs
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43 Nepeta bracteata
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+
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Leaves linear-elliptic; stems with some papillose glandular hairs
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44 Nepeta daenensis
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9 (1)
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All cauline leaves sessile, amplexicaul or not, or lowest stem leaves with a short, up to 3 mm petiole
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(10)
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+
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At least the lower leaves clearly petiolate with a petiole more than 4 mm
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(18)
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10 (9)
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Plants with a dense all-over indumentum of long and short capitate glandular hairs
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(11)
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+
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Plants not as above, glabrous, eglandular pilose or vinous, or with glandular papillae
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(12)
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11 (10)
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Leaves deeply serrate-incised
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2 Nepeta glutinosa
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Leaves crenate
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3 Nepeta adenophyta
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12 (10)
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Verticillasters forming elongated spikes not as above
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(13)
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+
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Verticillasters crowded in ails of uppermost, often lilac-blue, leaves
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14 Nepeta coerulescens
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13 (12)
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Leaves with entire or finely serrulate margins, linear to linear-elliptic; indumentum sparse or subabsent without glandular papillae
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(14)
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+
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Leaves pectinate-serrate, narrow or broad elliptic; indumentum of plant ± dense, villous, with or without glandular papillae
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8 Nepeta elliptica
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14 (13)
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Calyx 10 mm or less; corolla 12-15 mm; pedicel absent to 2 mm
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(15)
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Calyx 11-16 mm; corolla 20-25 mm; pedicel up to 12 mm
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13 Nepeta connata
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15 (14)
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Leaves 20-90 mm long; calyx 6-10 mm [NW Pakistan, Kashmir]
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(16)
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Leaves up to 20 mm long; calyx 5-7 mm [Quetta]
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5 Nepeta podostachys
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16 (15)
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Leaves linear-lanceolate to linear-elliptic, up to 10 mm wide; rootstock not as above
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(17)
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Leaves linear 1.5-5 mm wide; root- stock tuberous or fusiform
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17 Nepeta linearis
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17 (16)
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Spike shorter than that of N. campestris, congested not interrupted near the base; leaves linear-lanceolate or linear-elliptic, up to 80 x 10
mm
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11 Nepeta nervosa
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+
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Spike longer and slender than that of N. nervosa, often interrupted near the base; leaves oblong-lanceolate, c. 25-50 x 12-20 mm
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12 Nepeta campestris
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18 (9)
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Calyx with distinct teeth
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(19)
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Calyx with entire upper and lower rounded lobes
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42 Nepeta suavis
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19 (18)
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Stems with an indumentum of distinct numerous stellate-dendroid hairs
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(20)
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+
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Stems without or with few indistinct furcate or branched hairs (strong magnification needed)
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(21)
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20 (19)
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Inflorescence of mostly solitary terminal ovoid heads; calyx with pilose or villous simple hairs
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22 Nepeta kokanica
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+
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Inflorescence of several ± distant verticillasters borne in axils of leaves or leaf-like bracts; calyx with a dense stellate-dendroid indumentum
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28 Nepeta leucolaena
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21 (19)
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Inflorescence of loose pedunculate cymes with clearly pedicellate flowers
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(22)
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+
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Inflorescence of ± condensed pedunculate cymes, of distant verticillasters, ovoid heads or spikes
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(25)
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22 (21)
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Nutlets with a prominent U- or V-shaped areole extending c. 2/3 nutlet length
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(23)
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Areole of nutlet c. 1/3 or less the nutlet length
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(24)
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23 (22)
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Leaves c. 7-10 x 7-10 mm, serrulate; peduncles up to 20 mm [NW Pakistan: Chitral]
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36 Nepeta brachyantha
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Leaves up to 25 x 25 mm, crenate-dentate; peduncles up to c. 10 mm [W Pakistan)
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24 (22)
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Calyx c. 4.5 mm; nutlets clearly depressed-tuberculate; peduncles filiform
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33 Nepeta graciliflora
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Calyx 3.5-4 mm; nutlets inconspicuously depressed-tuberculate; peduncles not filiform
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34 Nepeta hindostana
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25 (21)
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Corolla 20-25 mm long
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(26)
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+
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Corolla 6-17 mm long
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(29)
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26 (25)
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Larger leaves 4-11 cm long
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(27)
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+
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Larger leaves 15-3 cm long
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(28)
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27 (26)
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Corolla yellowish, c. 25 mm long
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18 Nepeta govaniana
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+
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Corolla mauve to deep violet-blue, 20-25 mm long
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19 Nepeta erecta
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28 (26)
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Indumentum on inflorescence vinous, with flat eglandular multicellular hairs; stems ± uniformly leafy
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24 Nepeta glechomifolia
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+
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Indumentum on inflorescence sparse, of short eglandular or glandular hairs; leaves mostly on lower part of stem
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38 Nepeta pinetorum
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29 (25)
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Verticillasters ± clearly separated from each other or uppermost loosely con-gested
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(30)
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+
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Verticillasters forming ± continuous spikes or ovoid heads, sometimes lowermost verticillasters distant
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(37)
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30 (29)
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Corolla c. 15 mm or more
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(31)
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+
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Corolla less than 10 mm
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(32)
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31 (30)
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Stems erect, ± sturdy throughout; bracts linear 1/2 as long as to as long as calyces
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20 Nepeta clarkei
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+
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Stems erect-ascending, slender in region of inflorescence; bracts subulate, 2-4 mm
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38 Nepeta pinetorum
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32 (30)
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Inflorescence paniculate
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(33)
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+
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Inflorescence unbranched or lower verti-cillasters shortly pedunculate, not panicu-late
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(34)
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33 (32)
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Basal and lower leaves triangular-ovate with a greyish indumentum; peduncles not horizontally spreading
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27 Nepeta cataria
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+
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Basal leaves suborbicular-ovate, white tomentose to lanate; cymes mostly on horizontally spreading peduncles
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25 Nepeta floccosa
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34 (32)
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Inflorescence of ± globose densely white-lanate-villose verticillasters; stems procumbent-ascending; nutlets with a U-V-shaped areole c. 3/4 length of nutlet
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37 Nepeta lagopsis
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+
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Inflorescence not lanate-villose; stems erect; areole c. 1/3 length of nutlet
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(35)
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35 (34)
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Bracts c. 1/3 length of calyx; calyx often purplish
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41 Nepeta rugosa
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+
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Bracts 1/3 to as long as calyx; calyx pale green or straw-coloured
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(36)
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36 (35)
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Leaves ovate-triangular, ± as long as broad; verticillasters up to c. 15 mm diameter in fruit
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39 Nepeta praetervisa
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+
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Leaves oblong to oblong-ovate, longer than broad; verticillasters up to 10 mm in fruit
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40 Nepeta juncea
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37 (29)
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Rootstock not tuberous
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(38)
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+
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Rootstock with a distinct tuber 8-20 mm in diameter [leaves green, broad triangular-ovate, 5-20 x 5-15 mm; calyx teeth subequal]
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4 Nepeta raphanorhiza
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38 (37)
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Scree plants with scale-like leaves on rootstock
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(39)
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+
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Not scree plants; without scalelike leaves on rootstock
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(40)
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39 (38)
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Leaves cordate, margins crenulate; bracts ± equal to calyces
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26 Nepeta kurramensis
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+
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Leaves cuneate, margins deeply incised with obtuse round lobes; at least some bracts as long as or longer than flowers
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1 Nepeta longibracteata
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40 (38)
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Leaves markedly discolorous or grayish white canescent
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(41)
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+
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Leaves ± green on both surfaces
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(46)
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41 (40)
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Leaves discolorous; all hairs unbranched
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(42)
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+
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Leaves densely adpressed canescent with at least some branched hairs (strong magnification needed)
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22 Nepeta kokanica
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42 (41)
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Nutlets smooth; outer bracts elliptic to obtrullate
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(43)
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+
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Nutlets tuberculate; outer bracts ± linear
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(44)
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43 (42)
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Leaves up to 30 (-45) x 20 (-30) mm; corolla up to 17 mm
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15 Nepeta eriostachys
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+
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Leaves c. 7-20 x 7-12 mm; corolla c. 12 mm
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16 Nepeta discolor
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44 (42)
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Calyx 9-10 mm; leaf apices obtuse
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31 Nepeta schmidii
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+
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Calyx 6.5-8 mm; leaf apices ± acute
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(45)
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45 (44)
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Perennial herb, 30-50 cm, leaves broadly ovate to triangular-ovate, 15-35 x 10-30 mm; inflorescence of numerous sessile or shortly pedunculate, many-flowered congested cymes forming an elongated or short spike interrupted below
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29 Nepeta griffithii
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+
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Dwarf suffruticose herb, c. 10 cm high, leaves c. 15 x 18 mm, cordate-reniform; verticillasters condensed into a ± loose head or spike
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30 Nepeta amicorum
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46 (40)
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Vertillasters crowded in axils of uppermost often lilac-blue leaves; lowermost leaves with a short petiole to 4 mm, all other leaves sessile
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14 Nepeta coerulescens
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+
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Verticillasters not as above; lowermost leaves with petioles of 6 mm or more
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(47)
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47 (46)
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Inflorescence a terminal ovoid head
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(48)
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+
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Inflorescence an elongated oblong-cylindrical spike
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(50)
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48 (47)
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Leaves serrate, acute
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21 Nepeta paucifolia
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+
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leaves crenate, apically rounded or obtuse
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(49)
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49 (48)
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Plants aromatic, stem erect, c. 30 cm; leaves triangular-ovate, indumentum of simple hairs; inflorescence of 2-3 con-densed or separated verticillasters
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23 Nepeta grata
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+
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Plants not aromatic, suffruticose, clump-forming, stems 15-30 cm; leaves ± broadly ovate, flabelliform or trullate, indumentum of simple or branched hairs; inflorescence of terminal congested ovoid heads, or sometimes with a distinct lower verticillaster
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22 Nepeta kokanica
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50 (47)
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Outer bracts at base of spikes ovate-lanceolate, often coloured
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(51)
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+
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Outer bracts at base of spikes narrow lanceolate to linear
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(52)
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51 (50)
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Leaves ± broad-ovate, 12-20 x 10-15 mm, with a rather dense short indumentum of retrorse hairs
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32 Nepeta distans
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+
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Leaves triangular-ovate to elliptic, 30-60 x 20-30 mm, usually glabrous to minutely pilose
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10 Nepeta laevigata
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52 (50)
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Leaf margin serrate to subpectinate
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7 Nepeta subincisa
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+
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Leaf margin crenate to crenulate
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(53)
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53 (52)
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Leaves linear-elliptic to elliptic, rarely with some leaves ternately pinnatisect; clusters of young leaves present in leaf axils
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9 Nepeta paulsenii
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+
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Leaves oblong-ovate to oblong-triangular, simple; usually without clusters of young leaves in leaf axils
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(54)
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54 (53)
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Leaves 20-40 x 15-25 mm, villous; inflorescence ± white villous
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6 Nepeta pubescens
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+
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Leaves 10-20 x 8-15 mm, glabrous to pilose; inflorescence ± glabrous
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5 Nepeta podostachys
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