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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Ainsliaea

37. Ainsliaea nervosa Franchet, Bull. Mus. Hist. Nat. (Paris). 1: 64. 1895.

直脉兔儿风 zhi mai tu er feng

Herbs, perennial, 20-50 cm tall. Leaves mostly in basal rosette; petiole 3-10 cm, wingless; leaf blade ovate or oblong-lanceolate, 5-13 × 1-2.5 cm, leathery, palmate-pinnate veined, both surfaces glabrous or abaxially sparsely strigose, base long attenuate, margin callose-denticulate, not ciliate, apex acute; cauline leaves few, smaller. Capitula shortly pedunculate, arranged in panicles, 2- or 3-flowered; involucre cylindric, 4-5 mm in diam.; phyllaries 4- or 5-seriate, papery, outer phyllaries ovate, 1-2 mm, abaxially glabrous, inner lanceolate, 8-10 mm, abaxially with long glandular trichomes. Florets bisexual, chasmogamous and cleistogamous (at different or same seasons). Chasmogamous floret corollas tubular, 8-8.5 mm, deeply 5-lobed, lobes oblong, anther appendages rounded. Achenes fusiform or obconical-fusiform, ca. 5 mm, ribbed, densely white pilose; pappus dark white, ca. 6 mm. Cleistogamous floret corollas closed, tubular, minutely 5-lobed, ca. 4.2 mm, hidden in pappus. Achenes fusiform, ca. 2.5 mm; pappus ca. 6 mm. Fl. Apr-Jun.

● Stream banks, moist places or moist grassy areas in forests; 1000-1800 m. Guizhou, Sichuan, NE Yunnan.


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