生活型

herb

形態特徵

• Plants epiphytic, 3-6 cm long.
• Leaves distichous, 3-8, oblong-lanceolate, slightly curved, 2.2-5 cm long, 0.6-1.2 cm wide.
• Flowering stem axillary, 3-7 cm long, dilated in the middle part, about 0.2 cm in diameter, tapering on both ends, grooved, bearing 10-35 well-spaced whitish-green flowers, branchless. Bracts triangular, 2 mm long. Flowers widely opened, 2.5-3.5 mm in diameter. Sepals oblong, 2-2.5 mm long; petals subspatulate, 2 mm long; lip 3-lobed, 1.5 mm wide, side-lobes round, midlobe semiovate or triangular, white, saccate at base and no appendage inside. Column 1 mm long, with conspicuous rostellum, footless; pollinia 2 on a long stipe, stigma deeply located underneath.
• Capsules club-like, 1.7-1.9 cm long.

物候

Flowering season: April.

分布

• 台灣 : Grows on branches in broadleaf forest of the Wulaoken River, Ilan County, northern Taiwan at an elevation about 300 m.

引證標本

Weimin Lin s. n. (holo TAI 258035, Wulaokenchi, Ilan County).