Rhomboda tokioi

白肋角唇蘭

Rhomboda tokioi (Fukuy.) Ormerod

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

Ormerod. 1998. Australian Orchid Review 63(4): 11. (Austral. Orchid Rev.)

Hetaeria cristata Blume

Liu & Su. 1978. Flora of Taiwan 5: 1033. (Fl. Taiwan)
Hetaeria tokioi Fukuy.

Fukuy. 1934. The Botanical magazine, Tokyo 48: 434. (Bot. Mag. Tokyo)
Hetaeria cristata Blume var. tokioi (Fukuy.) S. S. Ying

Ying. 1977. Coloured illustrations of indigeous orchids of Taiwan 1: 468. (Col. Ill. Indig. Orch. Taiwan)

herb

Stem erect, ascending from short or long creeping base, to 20 cm tall, leafy at upper half.
Leaves obliquely ovate-lanceolate, apex acute, obtuse or rounded at base, 3-9 cm long; 2-3 cm wide, chartaceous, upper surface dark green, lustrous, often with white stripe along midrib; petiole 2-3 cm long.
Peduncle hairy, to 20 cm long, with 2 or 3 hairy sheaths toward base; flowering portion of inflorescence 4-9 cm long, loosely 5-15-flowered; floral bracts hairy abaxially, margins ciliate. Flowers resupinate or not completely resupinate; ovary glabrous, slightly twisted and somewhat bent to front at apex, dark green; sepals reddish brown, sparsely hairy abaxially, 4-5 mm long, dorsal one ovate, concave, apex acute, lateral ones obliquely ovate, widely spreading; petals white or often tinged with green, obliquely ovate, 1-veined, 4-4.3 mm long, 3-3.3 mm wide; lip white, bipartite, 3.8-4.2 mm long, obscurely trilobed when expanded, hypochile consisting of an open sac ca. 2.5 mm long, longitudinally keeled, with palmate papillae on each side near base, distally constricted into epichile, epichile ovate, convolute or expanded like small terminal lobe; column suberect, 2-2.3 mm long, with 2 large pendent ventral appendages; anther broadly ovate; pollinia clavate, attached at tapered end to ovate viscidium; stigmatic lobes 2, convex, on sides of column, with sunken cavity between them; rostellum triangular, thin, bifid.