Acilepis saligna (DC.) H.Rob., Proc. Biol. Soc. Washington 112(1): 226. 1999.

Bunwong, Sukhonthip, Chantaranothai, Pranom & Keeley, Sterling C., 2014, Revisions and key to the Vernonieae (Compositae) of Thailand, PhytoKeys 37, pp. 25-101 : 44

Acilepis saligna (DC.) H.Rob., Proc. Biol. Soc. Washington 112(1): 226. 1999.

Conyza saligna Wall., Numer. List [Wallich] no. 3061, comp. no. 171, nom. nud.

Vernonia saligna DC., Prodr. 5: 33. 1836.

Type.

India Orient, Silhet, Wallich 3061 (isotype: E!, isotype: G!, holotype: K!). Fig. 5G .

Description.

Perennial herbs, 2-2.5 m tall. Stems erect, conspicuously ribbed, sericeous. Leaves 10-15 by 3-6 cm, lanceolate or elliptic, margin serrate, apex acuminate, base cuneate, subcoriaceous; both surfaces scabrous with whip-shaped hairs and capitate glands; lateral veins 6-10-paired; petioles up to 6 mm long. Capitulescences terminal or axillary, paniculate. Capitula campanulate, 6-7 mm long, pedunculate. Receptacle flat, 2-2.5 mm in diam., hairy. Involucres in 5-6 series, 6-7 mm long, 3.5-4.5 mm in diam., herbaceous, campanulate. Phyllaries light green or purple apically, margin piliferous, outer surface arachnoid, glands capitate; the outer and the middle ones ovate, apex acuminate or cuspidate; the inner ones ovate-lanceolate to oblong, apex rounded or apiculate. Florets 10-15; corollas funnelform, purple, puberulous glandular; corolla tubes 6-7 mm long; corolla lobes 2-3 mm long. Anthers purple, 2.5-3 mm long, apical appendage acute, base obtuse. Styles purple, 5-7 mm long, branches 1.5-2 mm long. Achenes subterete, 3-3.5 mm long, 10-ribbed, pubescent with twin hairs and capitate glands. Pappus bristles, the inner ones 6-7 mm long.

Distribution.

Thailand: Mae Hong Son, Chiang Mai. China (Yunnan), India, Nepal, Bhutan, Myanmar, Laos, Vietnam.

Specimens examined.

Thailand, Mae Hong Son, Pang Ma Pha, 19°26.77'N, 98°19.15'E, 8 Dec 2007, S. Bunwong 357 (KKU, US); Chiang Mai, Doi Chiangdao, 5 Dec 1965, E. Hennipman 3220 (BKF, P).

Diagnostic characters.

Acilepis saligna differs from Acilepis kingii by its sessile leaves and smaller capitula in a dense panicle.

Ecology.

Pine-oak forest, alt. 1100-1400 m; flowering November to December.

Vernacular name.

Pai Lin (ไพลิน).

Figures

Figure 5. Morphology of Vernonieae in Thailand 1. A Acilepis attenuata B Acilepis divergens C Acilepis namnaoensis D Acilepis ngaoensis E Acilepis peguensis F Acilepis principis G Acilepis saligna H Acilepis silhetensis I Acilepis squarrosa.