All Floras      Advanced Search
FOC Vol. 20-21 Page 740 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 20-21 | Asteraceae | Seriphidium

3. Seriphidium nitrosum (Weber ex Stechmann) Poljakov, Trudy Bot. Inst. Akad. Nauk Kazakhsk. S.S.R. 11: 172. 1961.

西北绢蒿 xi bei juan hao

Herbs, perennial, or subshrubs, arachnoid pubescent or partly glabrescent; flowering stems 5-50 cm tall; root solitary; upper parts with spreading branches. Lower leaves 3-7 cm overall: petiole long; leaf blade ovate-oblong or elliptic-lanceolate, 30-40 × 5-20 mm, (1 or)2-pinnatisect; segments 4 or 5 pairs; lobules narrowly linear, 3-5 × 0.3-0.8 mm. Middle stem leaves 1- or 2-pinnatisect. Upper leaves pinnatisect; leaflike bracts linear, entire, rarely pinnatisect. Synflorescence a somewhat broad to slender, cylindric panicle. Capitula remote or grouped along branches, sessile. Involucre cylindric or ovoid-cylindric, 1.5-2 mm in diam.; phyllaries densely arachnoid pubescent, later sparsely pubescent or glabrescent. Florets 3-6; corolla purple-pink or yellow. Achenes obovoid. Fl. and fr. Aug-Oct.

Desert or semidesert steppes, Gobi Desert, rocky slopes, dry canyons, dry riverbanks, roadsides, terraces, saline-alkaline soils; low elevations to 1500 m. NW Gansu, W Nei Mongol, Xinjiang [Kazakhstan, Mongolia, Russia].

1 Stem 40-50 cm; lower leaves 2-pinnatisect; capitula dispersed along branches in somewhat broad elongated panicles.   3a var. nitrosum
+ Stem 5-10(-15) cm; lower leaves 1- or 2-pinnatisect; capitula grouped along branches in spikelike panicles.   3b var. gobicum

Lower Taxa


Flora of China @
Browse by
Advanced Search

Flora of China Home




 |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |