滇缅斑鸠菊 dian mian ban jiu ju

Monosis parishii (J. D. Hooker) H. Robinson & Skvarla; Vernonia laosensis Gandoger; V. volkameriifolia Candolle var. lanata S. Y. Hu.

Small trees, rarely shrubs, 2-3 m tall. Stems erect, 1-1.5 cm in diam. at base, branches robust, terete, densely fulvous or brown tomentose. Petiole short and broad, 5-10 mm, densely tomentose; leaf blade obovate or oblanceolate, 10-30 × 4-9 cm, papery, abaxially sparsely minutely pubescent or ± glabrescent, adaxially fulvous or brown tomentose, glandular on both surfaces, lateral veins 7-12-paired, reticulate, base cuneately attenuate, margin obscurely toothed, rarely subentire, apex obtuse or subacute. Synflorescences terminal or axillary, panicles to 20 cm or more long. Capitula many, 5-8 mm in diam.; peduncles 2-5 mm or subsessile, densely tomentose; bracteoles ovate-lanceolate, at base. Involucre narrowly campanulate to subcylindric, 5-7 mm wide, white tomentose; phyllaries 5-seriate, purple, ovate, ovate-lanceolate, or oblong, 2-7 mm, outer short and obtuse, inner rather acute, white villous. Receptacle flat, foveolate. Florets ca. 10; corolla red-purple, tubular, ca. 7 mm, glandular, with dilated limb; lobes linear, apically glandular. Achenes yellowish brown, subcylindric, 2.5-3 mm, 3-ribbed adaxially, glabrous or subglabrous, glandular. Pappus 2-seriate, white; outer setae short; inner setae as long as corolla. Fl. Mar-May.

Thickets or mixed forests on slopes; 500-1700 m. SE and W Yunnan [Laos, Myanmar, Thailand].