生活型

herb

形態特徵

• Epiphytic herbs without rhizome. Pseudobulbs globose-ovoid, ca. 3 cm long, 2 cm wide, slightly compressed laterally, covered by a broad sheath at base.
• Leaves 1-3, usually 2, sometimes with an additional lower smaller leaf, arising at different levels near apex of pseudobulb, elliptic-oblong, 6-12 cm long, 2.5-3 cm wide, thick coriaceous, apex rounded, slightly retuse, base cuneate, folded.
• Peduncle and rachis 10-15 cm long, nearly terete; bract lanceolate, 6-8 mm long; pedicel and ovary 8 mm long. Flowers 10-20, greenish, often tinged orange-red, perianth widely spreading; sepals elliptic-oblong, 4.5-6 mm long, 2-2.5 mm wide, obtuse at apex, strongly reflexed; petals linear, ca. 5 mm long, 0.7 mm wide; lip elongate-cuneate or rectangular, 7-8 mm long, 3-3.5 mm wide, base with erect margins and 2 small calli, bent downward at right angle from middle, apex deeply 2-lobed, lobes rectangular, apical margin serrate; column yellowish green, slightly curved, 3 mm long, slightly winged at apex, dilated at base; anther nearly white, oval to orbicular, 0.7 mm in diam., pollinia clavate, 0.7 mm long.
• Capsules obovate, 7 mm long. Seeds clavate or fusiform, 0.1 mm long.

分布

• 台灣 : known from broadleaved forests below 500 m in the eastern coast region and on Lanyu Is.
• 世界 : The Philippines and Myanmar.

引證標本

PINGTUNG: Luliaochi, Su & Chen 7552, 8091. TAITUNG: Tawu, Su 6846.

參考文獻

• SU, Horng-Jye, Flora of Taiwan, second edition 5: 944. 2000.  (Fl. Taiwan 2nd edit.)