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Published In: Astragalogia (qto.), 24, 66; (fol.), 19, 53,, pl. 2–8. 1802. (15 Nov 1802) (Astragalogia) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
General/Distribution: About 300 species, distributed in Europe, Asia and N. America; locally represented by 21 species. It is taxonomically a difficult genus; the species are not always clearly definable. On the other hand, lumping of various variants will result in a very heterogeneous assemblage. Experimental work is likely to be useful in understanding the basis of variation.

 

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Herbs or undershrubs. Leaf imparipinnate, leaflets entire, stipels absent; stipules adnate to the petiole or free. Inflorescence an axillary raceme or spike. Bracts often small. Bracteoles minute or absent. Calyx gamosepalous, teeth sub-equal. Vexillum ovate or oblong. Keel mucronate. Stamens diadelphous, 9+1, vexillary stamen free. Ovary sessile or stipitate, style straight or more often curved, not barbate, stigma terminal. Fruit turgid, the seed bearing suture generally intruded, partly dividing the fruit. Seeds reniform, without strophiole.
 

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1.Leaf, bracts and calyx glandular
2.Fruit glabrous to subglabrous, glands prominent
Oxytropis microphylla
2.Fruit uniformly hairy, glands almost obscure
Oxytropis chiliophylla
1.Leaf, bracts and calyx eglandular
3.Fruit membranous, inflated
4.Fruit c. 12-14 mm wide (in pressed condition), mucro of the keel c. 3 mm long
Oxytropis platonychia
4.Fruit c. 10 mm or less wide, mucro of the keel c. 2 mm or less
5.Mucro of the keel than or equal to 1 mm
Oxytropis tatarica
5.Mucro of the keel more than 1 mm long (up to c. 2 mm)
Oxytropis cachemiriana
3.Fruit not as above
6.Aerial stem elongated
7.Stipules free lateral, inflorescence elongated, not globose
Oxytropis glabra
7.Stipules united at the base, leaf opposed, inflorescence globose, at least when young
8.Subtending leaf longer or only slightly shorter than the inflorescence, lateral calyx teeth c. 1.5-2 mm long
Oxytropis hypoglottoides
8.Subtending leaf much shorter than the inflorescence, lateral calyx teeth c. 3 mm long
Oxytropis lapponica
6.Aerial stem not elongated
9.Leaflets verticillate (at least at some points along the rachis)
10.Calyx teeth shorter than the tube
Oxytropis staintoniana
10.Calyx teeth longer than the tube
11.Leaflets 30-40 per leaf, densely hairy
Oxytropis chitralensis
11.Leaflets 9-12 per leaf, sparsely hairy
Oxytropis birirensis
9.Leaflets not verticillate
12.Fruit sessile
13.Mucro of the keel c. 2-2.5 mm long
14.Calyx c. 15-16 mm long, teeth c. 9 mm long, vexillum c. 13-14 mm long, plant villous, hairs spreading
Oxytropis sikaramensis
14.Calyx c. 13 mm long, teeth c. 4 mm long, vexillum c. 21 mm long, plant velvety brownish
Oxytropis stracheyana
13.Mucro of the keel 1 mm long
15.Vexillum c. 9 mm long, branches spreading flexuous
Oxytropis savellanica
15.Vexillum c. 7 mm or less, branches not flexuous, woody
Oxytropis densa
12.Fruit stipitate
16.Calyx teeth c. 6-8 mm long
Oxytropis gloriosa
16.Calyx teeth up to 5 mm long
17.Calyx c. 4 mm long (teeth c. 2 mm), vexillum c. 6-7 mm long
Oxytropis crassiuscula
17.Calyx more than 4 mm long, vexillum 9 mm or more long
18.Calyx teeth equal to calyx cup (mucro of the keel c. 2.5 mm long)
Oxytropis luteo-caerulea
18.Calyx teeth smaller the cup
19.Calyx teeth c. 2.5 mm or more
20.Leaflets more than 7 mm long and mostly more than 2.5 mm broad
Oxytropis mollis
20.Leaflets 7 mm or less long, mostly c. 2.5 mm or less broad
Oxytropis humifusa
19.Calyx teeth up to 2 mm long, cup c. 3.5-4 mm long (mucro less than 1 mm long)
21.Stipules uniformly pubescent outside; petiole up to 4.5 cm; leaflets 4-10 mm long, c. 1-4 mm broad; peduncle c. 2.5-30 cm long
Oxytropis immersa var. jinaliensis
21.Stipules whitish papery, glabrous or scantily pubescent; petiole c. 5-12 mm long; leaflets c. 2-6 mm long, less than 1-2 mm broad; peduncle up to 6.5 cm long
Oxytropis immersa (Baker ex Aitch.) Bunge ex B. Fedtsch. var. immersa
 
 
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