生活型

herb

形態特徵

• Rhizomes long creeping, slender, often less than 1 mm in diam. Pseudobulbs arranged ca. 2 cm apart, elongate-ovoid, often oblique, 1-1.3 cm long, 5-7 mm wide.
• Leaves sessile, oblong, oblanceolate or obovate, 2-4 cm long, 7-10 mm wide, apex obtuse or rounded or sometimes indistinctly retuse, base often cuneate.
• Scapes from base of pseudobulb, slender, 4-6 cm long, with 2 scales from near middle to base; bracts elongate triangular, 3 mm long; pedicels ca. 5 mm long. Flowers 2-6 in a very short raceme or subumbel, ca. 8-10 mm long; dorsal sepal rubescent, strongly concave, elliptic, 3-4 mm long, 2 mm wide, rounded at apex, truncate at base, long white ciliate; lateral sepals reddish yellow, often connate, lanceolate, 7-9 mm long, 2 mm wide, acute at apex, incurved along margins; petals rubescent, elliptic, 2 mm long, 1.2 mm wide, rounded at apex, truncate at base, long white ciliate; lip rubescent, horn-like, 2 mm long, recurved; column yellow, semiterete, 1.5 mm long, apex shortly 2 -aristate, base developed into a foot; anther operculate, cordate; pollinia 4, ovoid, in two collateral pairs.

分布

• 台灣 : in forests at 1,200-2,000 m in central and southern Taiwan.

引證標本

TAICHUNG: Pahsienshan, Su 1501; Lishan, Ying 6201. NANTOU: Chitou, Su 541, 618. PINGTUNG: Mt.Tawu, Matuda 79. TAITUNG: Chinshuiying, Su 174*.

參考文獻

• SU, Horng-Jye, Flora of Taiwan, second edition 5: 763. 2000.  (Fl. Taiwan 2nd edit.)