34. Synotis triligulata (Buchanan-Hamilton ex D. Don) C. Jeffrey & Y. L. Chen, Kew Bull. 39: 329. 1984.
三舌合耳菊 san she he er ju
Senecio triligulatus Buchanan-Hamilton ex D. Don, Prodr. Fl. Nepal. 178. 1825; S. acuminatus Wallich ex Candolle f. breviligulatus Handel-Mazzetti; S. pentanthus Merrill.
Subshrubs or shrubby herbs, erect or sometimes scrambling, to 150 cm tall. Stems flexuous, slender, branching, sparsely pubescent, glabrescent. Leaves shortly petiolate; petiole 1-2 cm, glabrous, not auriculate; blade elliptic-lanceolate to broadly oblong-elliptic, 10-15 × 4-6.5 cm, membranous or thinly papery, adaxially nitid, glabrous, pinnately veined, lateral veins 10-14, arcuate-ascending and intramarginally uniting, prominent abaxially, base rounded or broadly cuneate and sometimes unequal, margin finely to coarsely and irregularly mucronate-serrate, apex long acuminate or acuminate-caudate; leaves of synflorescence branches smaller, otherwise similar. Capitula minutely radiate, very numerous, arranged in lax axillary and terminal rounded compound corymbs; peduncles 5-6 mm, slender, sparsely puberulent; bracts linear-subulate, minute. Involucres cylindric, 3-4 × ca. 1 mm, minutely calyculate; bracts of calyculus 1-3, subulate; phyllaries 5, linear-oblong, ca. 1 mm wide, glabrous, margin broadly scarious, apically obtuse or subacute and puberulent. Ray florets 3 or 4; corolla yellow, 4-5 mm, with ca. 2 mm tube and minute, to 2.5 mm lamina, usually shorter than style. Disk florets 3 or 4; corolla yellow, ca. 5 mm, with ca. 2 mm tube and exserted funnelform limb; lobes oblong-lanceolate, ca. 2.5 mm, apically acute. Anthers ca. 2.5 mm; anther tails ca. 1.5 × as long as antheropodia, basally slightly dilated. Style branches ca. 1.2 mm, fringed with short rounded papillae, terminal tuft small, short. Achenes ca. 1.5 mm, glabrous. Pappus white, ca. 5 mm. Fl. Oct-May.
Forests, among scrub vegetation; 1200-2100 m. Xizang, NW Yunnan [Bhutan, NE India, Myanmar, Nepal, N Thailand].