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

4c. Crepidiastrum denticulatum subsp. ramosissimum (Bentham) N. Kilian, Fl. China. 20: 267. 2011.

枝状假还阳参 zhi zhuang jia huan yang shen

Basionym: Brachyramphus ramosissimus Bentham, London J. Bot. 1: 489. 1842; Ixeris denticulata subsp. ramosissima (Bentham) Stebbins; I. ramosissima (Bentham) A. Gray.

Basal and lower stem leaves spatulate to obovate, to 24 × 7 cm, undivided or pinnatipartite to pinnatisect (often lyrately so), base cuneately attenuate into a winged or sometimes unwinged petiole-like portion and semiamplexicaul to somewhat auriculately clasping, margin sinuate-dentate, apex rounded to acute; lateral lobes (if present) 2-5 pairs. Middle and upper stem leaves mostly spatulate but uppermost ones sometimes lanceolate, smaller, undivided or pinnatipartite, base without petiole-like portion but distinctly auriculately clasping, margin subentire to shallowly sinuate-dentate, apex rounded to acute. Involucre 6-7(-8) mm. Inner phyllaries usually distinctly crested below apex. Achene 2.8-4.5 mm including a beak 1/4-1/3 as long as achene. Pappus ca. 3 mm. Fl. and fr. Jul-Nov. 2n = 10*.

● Dry slopes, among boulders, cliffs, roadsides; 600-2000 m. Guangdong, Guangxi, Guizhou, Yunnan.


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