2. Distephanus forrestii (J. Anthony) H. Robinson & B. Kahn, Proc. Biol. Soc. Washington. 99: 499. 1986.
滇西斑鸠菊 dian xi ban jiu ju
Vernonia forrestii J. Anthony, Notes Roy. Bot. Gard. Edinburgh 18: 35. 1933.
Shrubs, up to 3 m tall. Stems gray-white, conspicuously angled, at first white lanate, glabrescent, most parts yellow gland-dotted; new shoots white lanate-tomentose. Petiole 10-15 mm; leaf blade ovate, 4-5 × 1.5-2.5 cm, papery, abaxially or along veins gray-white pubescent, both surfaces yellow gland-dotted, densest adaxially, basally 3-veined, veinlets abaxially raised, base cuneate or subrounded, margin entire, apex acuminate; upper leaves gradually smaller. Synflorescences terminal, very open flat-topped panicles. Capitula 1-4, ca. 20 mm in diam.; peduncle to 4 cm, stiffly spreading, sometimes with leaflike bracteoles, white tomentose. Involucre obconical-campanulate, to 20 mm; phyllaries 5- or 6-seriate, tips dark brown when dry, leathery, linear-lanceolate, ca. 2 mm wide, lower part lanate, upper part glabrescent, attenuate into very slender recurved tip, outer very short, extending slightly down peduncle, sometimes arachnoid lanate. Receptacle flat and foveolate. Florets many (ca. 80); corolla golden yellow, tubular, 8-10 mm glandular; lobes linear-lanceolate. Achenes obconical, ca. 3 mm, 10-ribbed, densely silky-villous. Pappus 2-seriate, white; outer setae few, short; inner setae longer than corolla, scabrid. Fl. Sep-Oct.
● SW Sichuan, NW Yunnan.