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Published In: Ueber die Tanaceteen: mit besonderer Berücksichtigung der deutschen Arten 55. 1844. (4 Jul 1844) (Tanaceteen) Name publication detail
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Synonym Text: Matricaria parthenium L., Sp. Pl. 890. 1753; Chrysanthemum parthenium (L.) Bernh., Syst. Verz. Erf. 145 (1800); A. B. Jackson in Kew Bull. 1937:393. 1937; R. R. Stewart, l. c. 732; Pyrethrum parthenium (L.) Sm., Fl. Brit. 2: 900. 1800; Boiss., Fl. Or. 3: 344. 1975; Post, Fl. Pal. ed. 2, 2:62. 1933; Tzvelev in Schischk. & Bobrov, Fl. USSR 26. 195. 2000. (Engl. transl.).
Flower/Fruit: Fl. Per.: July-September.
Type: Type: Described from Europe, Hb. Cliff. 416/3 (BM !).
Habitat: Waste places, banks of streams, sometimes in forest shade or on rock edges, from sea level to 2500 m.
Distribution: Distribution: N Africa, SE and E Europe, SW Asia from Turkey to Caucasus, Iran, Afghanistan, Pakistan (Baluchistan, N.W.F. Province); Kashmir and Central Asia; also widely naturalized in many countries.
Map Location: C-6 Kurram Valley, Shalizan Aitchison 675 (K); Ibid, Harsukh 15367 (K); Kashmir, Falconer 566 (K); D-4 Balochistan, Ziarat (‘probably cultivated”), Mohinder Nath 2344 (KUH).

 

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Perennial or annual, pungent aromatic herbs, with many, ± puberulous, striate-angled, erect, 20 – 60 (-80) cm tall, densely leafy stems from ± woody rootstock with fibrous roots. Leaves radical or cauline, punctate glandular on both sides, usually yellowish-green, on slender, canaliculate, 2.5 – 8 cm long petioles, laminas ovate-oblong, 2 – 7 (-8) cm long, 1.5 – 5 cm broad, 1-2-pinnatisect to pinnatipartite into obtuse or subacute ultimate segments, the upper leaves reduced gradually in size, on shot petioles or sessile, glabrous or sparsely to moderately pubescent. Capitula radiate, heterogamous, few to several, upto 20 (-30) on 2 –3.5 cm long peduncles, in terminal dense corymbs borne on 2 – 13 (-15) cm long floral axis. Involucre hemispherical, 2-3-seriate, phyllaries imbricate, outer lanceolate, c. 1.5 mm long, inner oblong-oblanceolate, 3 – 4 (-5) mm long, sparsely pubescent or glabrescent, finely scarious and shortly lacerate at the apices. Receptacle convex or occasionally flat. Ray-florets 5-12, female, with oblong, 5 – 6 x 2 – 3 mm, obtusely 3-lobed, white ligules. Disc-florets yellow, with tubular-infundibuliform, 5-toothed, 2.5 – 3 mm long corolla tube. Cypselas oblong, 1 – 1.5 mm long, grayish-brown, with 6 – 8 white ribs and sessile glands, flattish. Pappus coroniform, irregularly lobed, or rarely evenly lobed, 0.1 – 0.5 mm long.
 
 
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