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

1. Melanoseris yunnanensis (C. Shih) N. Kilian & Z. H. Wang, Fl. China. 20-21: 219. 2011.

云南毛鳞菊 yun nan mao lin ju

Basionym: Chaetoseris yunnanensis C. Shih, Acta Phytotax. Sin. 29: 410. 1991; C. lutea (Handel-Mazzetti) C. Shih; C. teniana (Beauverd) C. Shih; Cicerbita cyanea (D. Don) Beauverd var. lutea Handel-Mazzetti; C. cyanea var. teniana Beauverd.

Herbs ca. 1 m tall or more, perennial. Root slenderly turniplike. Stem solitary, erect, apically branched and glandular hairy. Lower and middle stem leaves with petiole 3-10 cm, narrowly winged, not clasping; leaf blade elliptic to ovate, 10-15 × 4-9 cm, pinnatipartite or pinnatisect to bipinnately lobed, pilose and hispid glandular hairy, margin dentate; lateral lobes 2-6 pairs, opposite or alternate, elliptic to lanceolate, apex acute; secondary lobes if present 1 or 2 pairs, broadly triangular to lanceolate; terminal lobe elliptic to lanceolate. Upper stem leaves similar to middle stem leaves but petiole shorter; leaf blade smaller and less divided; uppermost leaves linear-lanceolate, undivided. Synflorescence racemiform to narrowly paniculiform, with few to many capitula. Capitula nodding, with usually 15-20 florets; peduncle wiry, 0.2-2(-5) cm. Involucre purplish green, cylindric, 1.1-1.5 × 0.4-0.8 cm. Phyllaries ± acute at apex; outer phyllaries triangular-ovate to linear-lanceolate, glabrous or abaxially hispid on midvein, longest approaching inner phyllaries in length. Florets yellow to whitish. Achene ca. 7 mm; body dark reddish brown, ellipsoid, compressed, lateral ribs broadened, apex contracted into a ca. 2 mm paler beak. Pappus double, outer hairs 0.1-0.2 mm, bristles 7-8 mm. Fl. and fr. Sep-Oct.

● Grasslands on mountain slopes, river valleys, forests; 700-3400 m. Sichuan, Yunnan.

Melanoseris yunnanensis and Chaetoseris lutea show many transitions between each other and actually seem to be conspecific. According to the fragmentary type material of Cicerbita cyanea var. teniana preserved at G (the type material in herb. Bonati, formerly at LA, is presumably lost), it represents a strongly glandular form of M. yunnanensis.


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