Volume 13 > Part 2 > Year 2016 > Page 351 > Compositae (Asteraceae) > Leucomeris

Leucomeris decora Kurzwfo-0000003965

J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 41(4): 317. 1872; C.B.Clarke, Compos. Ind. 245. 1876; Hook.f., Fl. Brit. India 3: 387. 1881; Gagnep., Fl. Indo-Chine 3: 660. 1924; Kerr, Fl. Siam. 2(3): 294. 1936; Anon., Iconogr. Corm. Sin. 4: 657, fig. 6727. 1975; T.G.Gao & D.J.N.Hind, Fl. China 20–21: 10. 2011.— Gochnatia decora (Kurz) Cabrera, Revista Mus. La Plata, Secc. Bot. 12(66): 131. 1971; H.Koyama, Acta Phytotax. Geobot. 32: 62. 1981; Tseng, Fl. Reipubl. Popularis Sin. 79: 2. 1996. Fig. 66; Plate XXV: 8.

Accepted Name : This is currently accepted.

Description : Shrub, tree or small tree, 2–7 m tall, ca 10 cm dbh; stem erect, nearly glabrous. Leaves cauline, petiolate, chartaceous; blade oblong, 10–13 by 7–13 cm, margins coarsely mucronate-toothed, curly puberulous, upper surfaces glabrescent, lower surfaces curly puberulent on veins, petioles 2–3 cm long; upper leaves gradually smaller, subsessile, ovate, mucronate-serrate; uppermost leaves bract-like, 2.5–5.0 mm long. Inflorescences in glomerules, with several to many, 5 or 14, congested capitula; peduncles subsessile or short. Capitula glabrous; involucres narrowly tubular, 14–17 by ca 5 mm; phyllaries 7-seriate, imbricate, outer ovate, 1 mm long, scarious, purplish, longitudinally striate, median oblong, inner linear-oblong. Florets 5 per capitulum; corollas narrow, tubular, 17–18 mm long, gradually tapered below, apex deeply 5-cleft, lobes 10–11 mm long. Achenes cylindrical, 8.5–9 mm long, densely brownish setuliferous; pappus of capillary bristles, ca 11 mm long, brownish white.

Thailand : NORTHERN: Chiang Mai (Mae Tuen, Doi Ang Khang, Doi Suthep, Doi Pui, Pangbot-Khun Khlong, Doi Chiang Dao, Doi Inthanon), Tak (Doi Musoe); SOUTH-WESTERN: Kanchanaburi (Song Tho).

Distribution : Burma (type), China (Guizhou, Yunnan), Vietnam.

Ecology : Grassy slopes of the mountainous areas in open evergreen forests, 600–1,800 m alt. Flowering: September–October.

Vernacular : Ya kae luang (ยาแก้หลวง), nio mue ton (นิ้วมือต้น)(Northern).

Notes: Most plants of this species are shrubs 3 to 4 m tall but some are trees to 7 m tall.