耳叶合耳菊 er ye he er ju

Subshrubs or shrubby herbs, to 180 cm tall. Stems slender, branching, glandular pubescent. Leaves shortly petiolate; petiole ca. 5 mm, sparsely pubescent, basally auriculate; auricle subcircular, small; blade narrowly elliptic or oblong-elliptic, ca. 17 × 2.5 cm, papery, abaxially sparsely shortly pubescent, adaxially sparsely shortly scattered setulose, pinnately veined, lateral veins 16-18, arcuate-ascending, somewhat prominent abaxially, base narrowly cuneate, margin prominently mucronate-serrate, apex acute-acuminate; uppermost and branch leaves smaller. Capitula minutely radiate, very numerous, arranged in lax axillary and terminal rounded compound corymbs; peduncles 1-3 mm, glandular pubescent, 1- or 2-bracteate and/or bracteolate. Involucres cylindric, 3-3.5 × ca. 1 mm, calyculate; bracts of calyculus 2 or 3, minute; phyllaries 5, oblong-linear, ca. 0.8 mm wide, subglabrous, margin scarious, apically obtuse and pubescent. Ray florets 2; corolla ca. 4.5 mm, tube ca. 2 mm; lamina yellow, oblong, ca. 2.5 × 0.7 mm, 2- or 3-veined, 3-denticulate. Disk florets 3; corolla yellow, 5-5.5 mm, with ca. 1.5 mm tube and exserted narrowly funnelform limb; lobes ovate-oblong, ca. 1 mm. Anthers ca. 2 mm; anther tails 0.3-0.7 × as long as antheropodia; appendages ovate; antheropodia distinctly dilated at base. Style branches 1-1.2 mm, fringed with short papillae, terminal tuft not distinctive. Achenes ca. 1.5 mm, sparsely pubescent. Pappus white, ca. 4 mm. Fl. Nov.

● Mixed forests; 2100-2400 m. Xizang.