Acilepis attenuata (Wall. ex DC.) H. Rob. & Skvarla

Perennial herbs 50–120 cm tall. Stems erect, conspicuously ribbed, puberulous. Leaves simple, rosulate, 9–22 by 2–8 cm, obovate to obovate-lanceolate or elliptic, margin entire or serrate, apex obtuse or acute, base cuneate or attenuate, subcoriaceous, upper surface scabrous and lacking glands; lower surface scabrous with whip-shaped hairs and capitate glands; lateral veins 5–11-paired; petioles up to 5 mm long. Capitulescences terminal, scapose. Capitula campanulate, 15–18 mm long, pedunculate. Receptacle flat, 6–8 mm in diam., glabrous. Involucres campanulate, in 6–7 series, 7–11 mm long, herbaceous. Phyllaries imbricate, green with purple apex, margin piliferous, outer surface arachnoid without glands; the outer and the middle ones ovate, apex apiculate, upper half reflexed; the inner ones ovate-lanceolate to oblong, apex acuminate. Florets 40–65; corollas funnelform, purple, puberulous glandular; corolla tubes 6–8.5 mm long; corolla lobes 2–3 mm long. Anthers 2.5–3 mm long, apical appendage acute, base obtuse. Styles purple, 7–10 mm long, branches 2.5–4 mm long. Achenes subterete, 2.5–3 mm long, 10-ribbed, pubescent with twin hairs and capitate glands. Pappus bristles, the inner ones 7–7.5 mm long.

Thailand: Mae Hong Son, Chiang Mai, Nong Bua Lum Phu, Khon Kaen, Udon Thani, Sakon Nakhon, Kanchanaburi, Satun. Myanmar.