生活型

herb

形態特徵

• Epiphytic perennial herb. Rhizomes creeping, slender, ca. 1.5 mm in diam. Pseudobulbs 0.5-1.2 cm apart, globoid to ovoid, 7-13 mm long, 7-8 mm wide.
• Leaves sessile, elliptic to oblong, 1-2.5 cm long, 0.8-1.5 cm wide, apex obtuse, base cuneate, thickly coriaceous.
• Peduncles arise from base of pseudobulb, 2.5-4 cm long, enclosed by 3 sheaths basally, sheath brownish, tubular or cup-shaped, 1.5-2.5 mm long; bracts lanceolate, 3-4 mm long, ca. 1.5 mm wide at base. Flowers 4-6, in condensed raceme; pedicels and ovary 6-7 mm long; dorsal sepal elongate ovate, 5-nerved, strongly concave from middle to base part, whitish tinged with reddish veins, brownish-red toward apex, 7-8 mm long, 2-3 mm wide, apex acuminate, base contracted, long white ciliate especially toward apex; lateral sepals yellow, often slightly connate except at base and apex part, obliquely linear-lanceolate, 3.5-4 cm long, ca. 2.5 mm wide when expanded, acuminate and incurved toward apex, yellow ciliate on lower margin except at base; petals whitish tinged with reddish veins, obliquely ovate, 3-4 mm long, ca. 2.5 mm wide, rounded at apex, truncate at base, long white ciliate; lip orange-red, horn-like, ca. 3 mm long, recurved; column whitish, semiterete, 2 mm long, with 2 slender stylids at apex, base developed into a foot; anther cap pale yellowish, semi-globose, 0.8 mm long, slightly denticulate on lower margin; pollinia 2, each with connate unequal partitions.

物候

Flowers observed from June to July.

分布

• 台灣 : Epiphyte on upper tree trunks of coniferous trees such as <i>Chamaecyparis</i> spp., <i>Tsuga formosana</i> Hayata and <i>Pinus morrisonicola</i> Hayata in mixed evergreen forests at elevation ca. 2000 m. The plants are hardly observed or collected un

引證標本

Taichung County, Hoping Hsiang, Daxueshan Forest Recreation Area, ca. 2100 m, 30 Jun 2007, Hsu 874 (holotype, TAIF), here designated.

引用文獻

• Tian-Chuan Hsu and Shih-Wen Chung, Taiwania 53(1): 26. 2008.