肾叶合耳菊 shen ye he er ju

Herbs, rhizomatous. Rhizomes not seen. Stem solitary, erect or basally curved, striate, slender, sparsely shortly pubescent or ± glabrescent. Basal and lower leaves withered at anthesis, with 1 or 2 scalelike persistent petioles; median leaves 2 or 3, long petiolate; petiole 3.5-5 cm, not winged, sparsely arachnoid and shortly pubescent, basally slightly expanded and subamplexicaul; blade abaxially gray-green, adaxially green, reniform or cordate-reniform, 3-4 × 5-6.5 cm, papery, abaxially arachnoid, adaxially adpressed setulose, 3-5-veined from base, lateral veins divaricate, and uniting and netted, base rounded or cordate and attenuate into petiole, margin shallowly repand-dentate with mucronulate teeth. Upper leaves similar to median leaves but smaller, shortly petiolate. Uppermost leaves reduced and bractlike, linear or linear-lanceolate, 5-10 × 1-1.5 mm, apically acute. Capitula homogamous, discoid, solitary in bracts of uppermost part, racemose; peduncles 1-2 mm, densely tomentose. Involucres narrowly campanulate, 4-5 × 3-4 mm, calyculate; bracts of calyculus 3 or 4, linear, ca. 1/2 as long as phyllaries, apically acute, phyllaries 5, oblong or oblong-lanceolate, 3-4 × 1.5-2 mm, subleathery, glabrous, margin narrowly scarious, apically slightly acute or obtuse. Florets 5, exserted from involucres; corolla yellow ca. 7 mm, with ca. 3 mm tube and campanulate limb; lobes ovate-lanceolate, 1.5-2 mm, apically acute. Anthers ca. 4 mm, basally obtuse-auriculate; antheropodia rather short, basally slightly dilated. Style branches obtuse or truncate, shortly fringed. Achenes 2-3 mm, glabrous. Pappus white, 4-5 mm. Fl. Jul, fr. Aug.

● Wet places along riversides in valleys; ca. 3000 m. Yunnan.