生活型

herb

形態特徵

• Epiphytes. Stems tufted. Pseudobulbs ovoid, 1-1.5 cm long, slightly compressed laterally.
• Leaf solitary, oblong-oblanceolate, 5-20 cm long, 1.5-3.5 cm wide, apex acute, base cuneate, decurrent.
• Peduncle terminal on pseudobulb, as long as leaves or longer, compressed, ridged; bracts lanceolate, 7-12 mm long; pedicel and ovary 1.5 cm long. Flowers secund, greenish yellow, sometimes tinged with orange, perianth widely spreading; sepals lanceolate, 7-8 mm long, 2 mm wide revolute, lateral speals often positioned under lip, oblong, 5-7 mm long, 3 mm wide; petals linear, 8 mm long, 1 mm wide; lip obovate, 7 mm long, 5 mm wide, apex truncate, cuspidate, base cuneate, recurved downward; disc with a pair of calli at base; column 4-5 mm long, curved, with 2 auricle-like wings at apex, dilated towards base; anther 1 mm long; pollinia 0.8 mm long.
• Capsules ellipsoid, ca. 1 cm long, pedicel 6 mm long. Seeds fusiform, 0.4 mm long.

分布

• 台灣 : common in forests at low elevations throughout the island.
• 世界 : Wildly distributed from Japan, the Ryukyus, southern China, and the Himalaya, to the Philippines and Indochina and southward to Java and Sumatra.

引證標本

TAIPEI: Wulai, Su 6755; Shihting, Su & Chen 6746. ILAN: Nanao, Su 7802, 7901. TAICHUNG: Pachienshan, Su et al. 8163; Anmashan, Liu et al. s. n. Oct 1957. NANTOU: Chitou, Su & Chen 6952; Hoshe, Su 73. KAOHSIUNG: Liukei, Su 39; Sanping, Su & Chen 9181. PINGTUNG: Nanjenshan, Su 7745; Su & Chen T7629. TAITUNG: Hsinkangshan, Su & Chen 7718. HUALIEN: Hoping, Su 829.

參考文獻

• SU, Horng-Jye, Flora of Taiwan, second edition 5: 938. 2000.  (Fl. Taiwan 2nd edit.)