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

1. Notoseris yakoensis (Jeffrey) N. Kilian, Fl. China. 20-21: 231. 2011.

垭口紫菊 ya kou zi ju

Basionym: Prenanthes yakoensis Jeffrey, Notes Roy. Bot. Gard. Edinburgh 5: 203. 1912; P. volubilis Merrill.

Vines 3-4 m, herbaceous, perennial. Stem scandent, ± zigzag, flexible, apically branched and glandular hairy, leafy. Stem leaves with petiole 1-3 cm, unwinged, ± glandular hairy, basally not widened; leaf blade triangular-ovate to lanceolate, 4-15 × 2-6 cm, both surfaces ± glandular hairy, base cordate to hastate, margin mucronately dentate, apex acuminate. Synflorescence terminal and in axils of upper leaves, divaricately paniculiform, with few to several capitula. Capitula with usually 10-12 florets; peduncle usually less than 1 cm. Involucre 1.1-1.4 × 0.3-0.5 cm. Phyllaries tinged purplish red; outer phyllaries ovate to lanceolate, largest 5-6 × ca. 1 mm, glandular hairy, apex acute to obtuse; inner phyllaries ca. 8, glabrous to sparsely glandular hairy, apex rounded to obtuse. Florets purplish red. Achene pale to dark purple, cylindric to subfusiform, 4-5 mm, basally more attenuate than apically, somewhat attenuate below pappus disk. Pappus ca. 8 mm. Fl. and fr. Aug-Dec.

Forests, forest margins; 1300-2800 m. Yunnan [N Myanmar].


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