生活型

herb

形態特徵

• Epiphytic perennial herb. Rhizomes creeping, slender, 0.6-0.8 mm in diam. Pseudobulbs 1-2 cm apart, elongate ovoid, often oblique, 7-10 mm long, 3-5 mm wide.
• Leaves sessile, oblong to linear-oblong, 1-7 cm long, 0.7-0.8 cm wide, apex obtuse to retuse, base cuneate.
• Peduncles short, arise from base of pseudobulb, 5-7 mm long, enclosed by 3 sheaths in the lower part; sheath brownish, tubular or cup-shaped, 1.5-2 mm long; bracts elongate triangular, 3 mm long, ca. 1.5 mm wide at base. Flowers (1-)2-3, in condensed raceme, ca. 3 mm long; dorsal sepal reddish, strongly concave, elliptic, ca. 3.5 mm long, 2 mm wide, rounded at apex, truncate at base, short white ciliate; lateral sepals red to reddish yellow, near rectangular when expanded, 5-7 mm long, 2-3 mm wide, incurved, apex mucronate, slightly concave, upper margin connate at apex or separate; petals rubescent, elliptic, ca. 2 mm long, 1.2 mm wide, rounded at apex, truncate at base, white ciliate; lip rubescent, horn-like, 2 mm long, recurved; column pale yellow, semiterete, 1.5 mm long, with 2 stylids at apex, base developed into a foot; anther operculate, cordate; pollinia 4, ovoid, in two collateral pairs.

物候

Flowers were mainly observed from March to April in the field; earlier when cultivated at low-altitude places.

分布

• 台灣 : Ilan and Hualien. Epiphyte on low to middle tree trunks in broadleaf evergreen forests at elevation from 1800 to 2100 m.

引證標本

Ilan County, Tatung Hsiang, Taipingshan Forest Recreation Area, ca. 1800 m, 15 Feb 2005, Chung & Hsu 10000 (TAIF); Hualien County, Sioulin Hsiang, Tianchangshan, 2000-2100 m, 2 Apr 2006, Hsu 422 (TAIF).