Revisions and key to the Vernonieae (Compositae) of Thailand Author Bunwong, Sukhonthip Maejo University Phrae Campus, Mae Sai, Rong Kwang, Phrae 54140, Thailand Author Chantaranothai, Pranom Applied Taxonomic Research Center, Department of Biology, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand Author Keeley, Sterling C. Department of Botany, University of Hawaii, Honolulu, HI 96816 USA text PhytoKeys 2014 2014-05-13 37 25 101 http://dx.doi.org/10.3897/phytokeys.37.6499 journal article http://dx.doi.org/10.3897/phytokeys.37.6499 1314-2003-37-25 FFE8FFACFF84FFA95573FFFECD03F742 576215 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).