缅甸合耳菊 mian dian he er ju

Herbs, rhizomatous. Rhizomes thick, woody. Stems 1-3, erect, 30-60 cm tall, at first sparsely arachnoid and densely fulvous pubescent, usually ± glabrescent, shortly branching in synflorescence, leafless or with only small scalelike leaves in lower part at anthesis. Leaves sessile or subpetiolate; blade adaxially green, elliptic to oblanceolate, 4-8 × 1-1.7 cm, papery, abaxially pallid and thinly arachnoid, adaxially sparsely arachnoid, sparsely pubescent and glabrescent, pinnately veined, lateral veins 10, arcuate-ascending, base cuneate to attenuate, sometimes subamplexicaul at attachment to stem, margin rather remotely denticulate with mucronulate teeth, apex shortly acuminate. Upper leaves smaller, otherwise similar. Capitula radiate, usually 3-8 in rather dense terminal corymbs on synflorescence branches; peduncles 5-15 mm, white arachnoid and shortly fulvous pubescent, with a linear bract or bracteole. Involucres narrowly campanulate, 3-4 × ca. 3 mm, calyculate; bracts of calyculus 3-5, linear, equaling or exceeding phyllaries, apically acute; phyllaries 8, oblong, ca. 1 mm, subleathery, laxly white arachnoid and sparsely puberulent, margin narrowly scarious, apically acute and puberulent. Ray florets 5 or 6; corolla tube ca. 2.5 mm; lamina yellow, oblong, 5-7 × ca. 1.5 mm, 4-veined, 3-denticulate. Disk florets ca. 15; corolla yellow, ca. 7 mm, with ca. 2.5 mm tube and funnelform limb; lobes oblong-lanceolate, ca. 2 mm, apically acute. Anthers ca. 2.7 mm, obtusely long auriculate or subcaudate; anther tails only ca. 0.25 × as long as antheropodia; appendages ovate-oblong; antheropodium stout, basally hardly dilated. Style branches ca. 2 mm, fringed with short papillae, terminal tuft not evident. Pappus straw-colored, ca. 4.5 mm. Fl. Sep.

Alpine meadows; 3000-3300 m. NW Yunnan (Gaoligong Shan) [W Myanmar].