Volume 13 > Part 2 > Year 2016 > Page 322 > Compositae (Asteraceae) > Gynura

9. Gynura procumbens (Lour.) Merr.wfo-0000010343

Enum. Philipp. Fl. Pl. 3: 618. 1923; Kerr, Fl. Siam. 2(3): 289. 1936; Backer & Bakh.f., Fl. Java 1: 425. 1965; F.G.Davies, Kew Bull. 33: 336. 1978, 35: 640. 1979; H.Koyama, Acta Phytotax. Geobot. 39: 154. 1988; Chen, Fl. Reipubl. Popularis Sin. 77(1): 332. 1999; Y.L.Chen & B.Nord., Fl. China 20–21: 541. 2011.— Cacalia procumbens Lour., Fl. Cochinch. 2: 485. 1790. Plate XXVI: 5.

Accepted Name : This is currently accepted.

Description : Scrambling or climbing shrub over thickets, 4 m long from roots to branchlets; stems slender, woody, to 5 mm diam. at lower stem, leafy, glabrous or sparsely pubescent. Leaves sessile or petiolate, sometimes auriculate; blade ovate to narrowly ovate in outline, 3–10 by 0.5–3 cm, apex acuminate, base narrowed down petiole, margins variable from entire to toothed or lobed or dissected almost to midrib, both surfaces often glabrous, occasionally pubescent; petioles 0–2.5 cm long. Inflorescences in axillary and terminal corymbs with 5–20 capitula; peduncles slender, to 6 cm long, pubescent. Capitula: involucres cylindrical to turbinate, 8–12 by ca 8 mm; calyculate, calycular bracts 6, slender, to 5 mm long; phyllaries 8–13, uniseriate, linear-lanceolate, dark purple, 1–1.2 mm wide, apex gradually tapering, abaxial surfaces hairy, margins narrowly hyaline; receptacle slightly convex, somewhat fimbrillate. Florets ca 21 per capitulum; corollas orange-yellow, 10–12 mm long, apex 5-lobed, lobes 1–1.5 mm long, basal tube ca 8 mm long. Achenes cylindrical, 4–4.5 mm long, 10-ribbed, ribs pale brown, grooves dark brown, glabrous; pappus of capillary bristles, 10–11 mm long, white.

Thailand : PENINSULAR: Ranong (Khao Phota Luang Kaeo, Muang Len), Nakhon Si Thammarat (Khao Luang, Phromlok Falls), Trang (Chawi, Khao Chong).

Distribution : Widespread from tropical W Africa to E & SE Asia, China (Hainan, Guangdong), Vietnam (type), Malaysia (Borneo, Sabah), Indonesia (Sumatra, West Java, Buru), New Guinea.

Ecology : Edges of evergreen forests, 125–950 m alt. Flowering: December–February.

Vernacular : Pra kham di khwai (ประคำดีควาย)(Central, Peninsular, Pattani); ma kham di khwai (มะคำดีควาย)(Central, Peninsular, Lampang, Pattani, Saraburi); mu maeng sang (มุแมงสัง)(Chumphon).