滇南羊耳菊 dian nan yang er ju

Inula wissmanniana Handel-Mazzetti, Oesterr. Bot. Z. 87: 127. 1938.

Subshrubs. Stems erect, ca. 1 m tall, yellowish brown papillose or caducous villous; flowering branches densely pubescent. Leaves sessile or with petiole ca. 2 mm, oblong, ca. 10 × 3 cm, abaxially and margin strigillose or hirsute, adaxially sparsely strigillose, base narrowed, obtuse, or slightly rounded, margin sparsely serrulate, apex acute; lateral veins 7-10 pairs, abaxially prominent. Capitula obovoid, ca. 1 cm in diam., forming terminal corymbose panicles; peduncles slender, with oblong-linear to filiform bracteal leaves, densely pubescent. Involucre subcampanulate, 7-8 mm; phyllaries in 4 or 5 series, light yellowish, linear-lanceolate, subleathery, shortly glandular, apex acuminate, inner ones ciliate at apex, innermost ca. 5 × as long as outer. Ray florets in 1 series; lamina yellow, oblong, 2-3 mm. Disk florets yellow, cylindric; corolla ca. 5 mm. Achenes ca. 1.5 mm, white tomentose. Pappus in 1 series, white, ca. 5 mm, of ca. 20 bristles. Fl. Jul-Sep, fr. Oct.

Open slopes; 1200-1700 m. S Yunnan [Vietnam].