生活型

herb

形態特徵

• Stems pendulous, often branched at base, compressed, more or less apically upcurved, to 50 cm long, covered by equitant leaf sheaths.
• Leaves more or less distichous, coriaceous, thick and rigid, linear- lanceolate, 6-10 cm long, 1-1.5 cm wide, conduplicate, especially near base, articulate with sheath.
• Peduncle apically dilated, 1-2 cm long; bracts scale-like, 2 mm long; pedicel and ovary 1-1.5 cm long. Flowers 1-3, pale yellow or tinged with orange, 1.5 cm in diam.; sepals not widely spreading, elliptic, ca. 8-10 mm long, 4-5 mm wide, obtuse or acute, lateral ones wider; petals oblong-obovate, 9 mm long, 4 mm wide, obtuse at apex, contracted at base; lip white, with orange blotches, saccate at base, 7 mm long, 9-10 mm wide when expanded, 3-lobed, lateral lobes falcate, erect, acute, midlobe fleshy, slightly retuse; disc yellow, with a long apically furcate callus, callus covered with white hairs; column 2 mm long, foot 3-4 mm long, curved; anther cap white, orbicular to rectangular, 1 mm long, 1.8 mm wide.

分布

• 台灣 : forests along streams at low elevations in the center and south.
• 世界 : The Philippines, Thailand, Sumatra and Java.

引證標本

KAOHSIUNG: Laonungchi, Su 8975; Shiaoneinchi, Su & Chen 9076. TAITUNG: Tawu, Su 1037.

參考文獻

• SU, Horng-Jye, Flora of Taiwan, second edition 5: 1053. 2000.  (Fl. Taiwan 2nd edit.)