短缨合耳菊 duan ying he er ju

Herbs, erect, rhizomatous. Rhizome short, woody, branching. Vegetative stems 1 or 2, erect or ascending, ca. 50 cm or more, thinly floccose-tomentose, and shortly fuscous pubescent, glabrescent, leafless except at apex. Flowering stem solitary, scapiform, few branched, thinly arachnoid, 10-40 cm tall, erect. Leaves crowded, subrosulate at base of flowering stems, shortly petiolate; petiole 3-15 mm, arachnoid-tomentose; blade obovate-lanceolate or oblanceolate-elliptic, 12-25(-29) × 3-8 cm, papery, abaxially thinly arachnoid especially on veins and glabrescent, adaxially shortly scattered setulose, pinnately veined, lateral veins 18-22, arcuate-ascending, rather prominently reticulate abaxially, base cuneate or cuneate-attenuate, margin sharply antrorsely mucronate-serrate, apex acute-acuminate and attenuate. Stem leaves few, sessile, smaller. Capitula discoid, moderately numerous, arranged in orbicular terminal corymbs; peduncles 2-10 mm, fulvous tomentose, bracteate; bracteoles 1 or 2, linear. Involucres subcylindric, 3-4 × 2-3 mm, calyculate; bracts of calyculus 4-6, linear, to 1/2 as long as phyllaries; phyllaries 10-12, oblong-lanceolate, ca. 1 mm wide, subleathery, margin narrowly scarious, subglabrescent, apically subacute or obtuse, puberulent and slightly spreading. Ray florets absent. Disk florets ca. 20; corolla pale yellow, ca. 7 mm, with ca. 2.7 mm tube and narrowly funnelform or tubular limb, much exserted from involucre, contracted at mouth; lobes erect, ovate-oblong, ca. 0.7 mm, apically acute, puberulent. Anthers ca. 3 mm, anther tails ca. 1.3 × as long as antheropodia; appendages ovate-oblong; antheropodia slightly dilated toward base. Style branches ca. 0.7 mm, fringed with long fine papillae; central tuft not markedly differentiated. Achenes ca. 1.5 mm, glabrous. Pappus 2-3 mm, shorter than corolla tube, setae few, easily deciduous. Fl. Aug.

● Open forests, dry slopes; 2400-2700 m. Xizang (Delei valley).