生活型

herb

形態特徵

• Epiphytic herbs. Stems erect or ascending, usually unbranched, 30-60 cm long, ca. 4 mm in diam., internode 2-3 cm long.
• Leaves terete, 10-15 cm long, ca. 4 mm in diam., fleshy, rigid, apex acute. Inflorescence 1.5-2 cm long, (2-)3-6(-8) flowered. Bracts broadly ovate, 2-3 mm long, acute.
• Flowers often nodding, ca. 1.5 cm in diam.; pedicel and ovary 1.3-1.6 cm long. Sepals brownish green outside, yellowish green inside; dorsal sepal ligulate, apex obtuse, 8-9 mm long, 5-5.5 mm wide; lateral sepals oblique ovate-elliptic, apex acute and slightly concave, 9-10 mm long, 5.5-6 mm wide. Petals yellowish, broad linear, apex obtuse, ca. 12 mm long, 3-4 mm wide. Lip flesh, dark purple adaxially, green abaxially, 10-11 mm long, ca. 8 mm wide when flattened, trilobed, with a distinct boundary at the base of midlobe; side lobes small, obtuse, ca. 2 mm long; midlobe ovate-orbicular, apex retuse, ca. 7 mm long and wide, disc with 5-7 indistinct longitudinal ridges.
• Column stout, ca. 3.5 mm long, 3 mm in diam., purplish; anther hemisphere, ca. 2 mm in diam.; pollinia 2, ellipsoid, ca. 1.5 mm long; stipe ca. 1.5 mm long; visidium ovate or nearly orbicular, ca. 1.3 mm wide.

引證標本

Pingtung Co.: Shizi Township, Shuangliu, 200-300 m alt., 26 Mar 2010, T.C. Hsu 2600 (holotype TAIF), here designated.

引用文獻

• Tian-Chuan Hsu and Shih-Wen Chung, Taiwania 55(4): 363-369. 2011.