生活型

herb

形態特徵

• Rhizomes long creeping, terete, stiff, 1.8-3 mm in diameter. Pseudobulbs arranged ca. 0.5-1.5 cm apart, ovoid-conic, often oblique, rugose, 1-1.6 cm long, 6-10 mm wide.
• Leaves solitary, short petioled, oblong or oblong-oblanceolate, thick-coriacious, 4-8.5 cm long, 1.2-2 cm wide, slightly retuse at apex, cuneate at base.
• mm in diameter at base, thicker toward apex, lower part with 2 sheath-like scales, 5-9 mm long; bracts elongate-triangular, 7 mm long; pedicel and ovary 5-8 mm long. Flowers 4-8 in a very short raceme, umbellate, 2.4-3.5 cm long, 7-9 mm across; upper sepal oblong, obtuse, or rounded at apex, white with red veins, deep red at terminal, concave, 6-9 mm long, 4-6 mm wide, 5-nerved, with long white cilia on margins, much longer towards apex; lateral sepals apple-green at beginning, turning yellowish-green then yellow after that, obliquely linear-lanceolate, 2.3-3.3 cm long, 4-5 mm wide at base, obtuse at apex, incurved dense brown cilia along lower margins while loosely ciliate on upper margins; petals obliquely elliptical, obtuse or rounded at apex, white with red veins, deep red at terminal, open widely on terminal half, 4-5 mm long, 2.5-3 mm wide, with long white cilia; lip attached to tip of column foot, whitish-yellow tinged with orange-red towards base, horn-like, rounded at apex, 2.8-3 mm long, recurved, disc shallowly grooved, while deeply grooved on lower side; column semiterete, < 2 mm tall, column-foot without appendage, upcurved. Stylids (stelidia) with a slender tooth; anther operculate, cordate, or cubiform, erose on lower side; pollinia 4, ellipsoid, in 2 collateral pairs.

物候

Flowering observed mainly in September and October.

分布

• 台灣 : This species is known only from Dahanshan, Pingtung County at elevations of 1300-1400 m. It grows in aggregations on trunks and branches of conifers.

引證標本

Weimin Lin s. n. (holo TAI 256489, Tahanshan, Pingtung County).

參考文獻

• Wei-Min Lin, Ling-Long Kuo Huang and Tsan-Piao Lin, Taiwania 51(3): 162. 2006.