生活型

herb

形態特徵

• Rhizomes long creeping, terete, stiff, 1~2 mm in diameter. Pseudobulbs arranged ca. 1.0~1.5 cm apart, elongate-ovoid, often oblique, 1.5~2.0 cm long, 8 mm in diameter.
• Leaves solitary, short-petioled, oblong, thick-coriacious, 4~7 cm long, 1~1.5 cm wide, cuneate at base.
• Scape from base of pseudobulb, 1.5 cm long, slender, with several cup-shaped scales; bracts elongatetriangular, 5 mm long, cup-shaped; pedicel and ovary 8 mm long, ovary forming an angle of at least 100° with pedicel. Flowers orangish-brown, ca. 4 in a very short raceme, umbellate, 1.45 cm long; upper sepal ovate, acuminate, concave, 8 mm long, 4 mm wide, with long white cilia on margins, much longer towards apex; lateral sepals free, opened up for entire length, strongly rugose on surface, obliquely linear-lanceolate, 1.5 cm long, 3.9 mm wide, obtuse at apex, white short cilia only loosely along lower margins; petals obliquely elliptical, 4 mm long, 2 mm wide, with long white cilia; lip attached to tip of column foot, horn-like, rounded at apex, recurved, disc shallowly grooved, while deeply grooved on lower side; column semiterete, 1.5~2 mm tall, column-foot without appendage, upcurved. Stylids (stelidia) with a slender tooth; anther operculate.

物候

Flowering time: March.

分布

• 台灣 : This species is known only from Luchushan (鹿屈山), Nantou Co. at an elevation of 2150 m. It grows in aggregations on trunks and branches in a broad-leaf forest.

引證標本

Wei-Min Lin s.n. (holo TAI268961, Luchushan, Nantou Co.)

引用文獻

• Tsan-Piao Lin and Wei-Min Lin, Taiwania 54(4): 327. 2009.