Volume 12 > Part 2 > Year 2014 > Page 399 > Orchidaceae > Coelogyne

9. Coelogyne flaccida Lindl.wfo-0000907823

Gen. Sp. Orchid. Pl.: 39. 1830; Pfitzer & Kraenzl. in Engl. (ed.), Pflanzenr. IV 50 II B 7: 46, fig. 14H. 1907; Seidenf., Dansk Bot. Ark. 29(4): 38. 1975; Das & Jain, Fasc. Fl. India: 10. 1980; D.A.Clayton, Gen. Coelogyne: 211, fig. 26(2), t. 24A. 2002; N.Pearce & P.J.Cribb, Fl. Bhutan 3(3): 329. 2003; S.C.Chen & D.A.Clayton in Z. Wu et al. (eds), Fl. China 25: 323. 2009; Elis.George & J.-C.George, Coelogynes: 125, phot., watercolour. 2011.— Pleione flaccida (Lindl.) Kuntze, Revis. Gen. Pl. 2: 680. 1891. Fig. 221; Plate XXXI: 2.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : [Sect. Flaccidae Lindl.]. Pseudobulbs close together, ovoid, cylindrical-oblong or fusiform, 5–15 by 2–4 cm. Leaves 2, leathery; petiole 2–8 cm; lamina lanceolate to oblong lanceolate, 11.5–30 by 2–5 cm, acuminate; nerves 1–3, below prominent. Inflorescence heteranthous; peduncle 4–8 cm; rachis slightly zig-zag, curved, 4–20 cm, internodes 1–2.5 cm. Floral bracts caducous. Flowers 3–12, open simultaneously, 3–4 cm in diameter, fragrant, glabrous; sepals, petals and column white to pink or ochrish; labellum white with yellow throat and brown veins. Dorsal sepal patent, elliptic-lanceolate, 20–30 by 7–9 mm. Lateral sepals oblong, acute, 20–30 by 7–9 mm. Petals linear, acute, 20–26 by 3–4 mm. Labellum 3-lobed, 17–23 by 15–17 mm; side lobes semi-elliptic with rounded top, sinus 1–2 mm; mid-lobe ovate, 8–10 by 6–8 mm, margins undulate, claw ca 1 mm, with usually denticulate margins, top acute, apex rounded; ornaments of 3 keels on hypochile, continuing on the claw and sometimes on base of mid-lobe, undulate. Column 16–18 mm; top winged, apex irregular.

Thailand : NORTHERN: Chiang Mai, Chiang Rai (Doi Tung), Lampang (Chae Son), Phitsanulok (Phu Miang); NORTH-EASTERN: Loei.

Distribution : India, Nepal (type), Bhutan, Myanmar, Laos, Vietnam, China.

Ecology : Lower to upper montane forests; 900–2,300 m alt. Flowering: February–July, November.

Vernacular : Ueang thian noi (เอื้องเทียนน้อย), ueang hin (เอื้องหิน)(Loei).