Acilepis squarrosa D. Don

Perennial herbs, 30–80 cm tall. Stems erect, inconspicuously ribbed, villose. Leaves 3–10 by 1–3 cm, oblanceolate, margin serrate, apex acute, base cuneate, coriaceous; both surfaces scabrous with whip-shaped hairs and capitate glands; lateral veins 5–10-paired; petioles up to 5 mm long. Capitulescences terminal and axillary, solitary. Capitula campanulate, 15–20 mm long, sessile or subsessile. Receptacle flat, 4.5–5.5 mm in diam., glabrous. Involucres campanulate, in 12–13 series, 15–20 mm long, 10–15 mm in diam., herbaceous. Phyllaries light green or purple apically, margin piliferous, outer surface arachnoid and lacking glands; the outer and the middle ones ovate or lanceolate, apex acuminate or apiculate; the inner ones ovate-lanceolate to oblong, apex acuminate or apiculate. Florets 50–80; corollas funnelform, purple, puberulous, glands capitate; corolla tubes 7–10 mm long; corolla lobes 4–6 mm long. Anthers 3–3.5 mm long, apical appendage acute, base obtuse. Styles purple, 9–11 mm long, branches 2–3 mm long. Achenes subterete, 2.8–3.2 mm long, 10-ribbed, pubescent without glands. Pappus bristles, the inner ones 7–11 mm long.

Thailand: Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang, Tak, Phetchabun, Loei, Sakon Nakhon, Mukdahan, Kalasin, Khon Kaen, Chaiyaphum, Nakhon Ratchasima, Surin, Uthai Thani, Kanchanaburi, Lop Buri, Prachin Buri, Chon Buri. China (Yunnan), India, Bhutan, Myanmar, Laos.