生活型

herb

形態特徵

• Stems pendulous, to 50 cm long or longer, often tufted and forming a large mass; internodes 1.5-2 cm long.
• Leaves distichous, fleshy, linear-lanceolate, 7-15 cm long, 1.2-2 cm wide, apex acute to acuminate, base cuneate, decurrent.
• Racemes several, opposite leaves; peduncle 3-6 mm long; bracts triangular, 1.5-2 mm long; pedicel and ovary 5-7 mm long. Flowers 3-6, white or sometimes tinged with pale yellow; dorsal sepals oblong, 7-9 mm long, 2.5-3.5 mm wide, acute; lateral sepals obliquely ovate, 6-8 mm long, 4-5 mm wide, apex acute, base contracted; petals falcate-oblanceolate, 7-9 mm long, 2-3 mm wide, acute; lip shortly spurred, 5-6 mm long, with 3 lobes above spur, lateral lobes purple, erect, triangular, 1 mm long, midlobe white to yellowish, tinged with purple, suberect, truncate-rectangular, 2-3 mm long, 3.5 mm wide, +/- V-shaped in cross section, base thickened, forming a fleshy appendage nearly blocking mouth of spur; spur obconic, widened apically, narrowed to base, with a thin tonguelike appendage arising from inside back wall; column 2 mm long, stout; anther cap white, with a purple blotch, semispheric, 1 mm across, beaked; pollinia ellipsoid, 0.5 mm long, stipe 1.5 mm long, broadened at base; viscidium squarish-truncate; rostellum erect and bifid at apex.
• Capsules trigonous-fusiform, 2-3 cm long.

分布

• 台灣 : forests at low elevations along the eastern coast and the Hengchun Peninsula.
• 世界 : The Philippines.

引證標本

HUALIEN: Kuanyin, Su & Chen 9048. PINGTUNG: Chufongpi, Su 7853; Chialuoshui, Su 9083. TAITUNG: Tawu, Su 910*, 8220.

參考文獻

• SU, Horng-Jye, Flora of Taiwan, second edition 5: 1055. 2000.  (Fl. Taiwan 2nd edit.)