生活型

herb

形態特徵

• Plants 15-20 cm tall. Corms whitish, globose to ellipsoid, 1-2 cm across, with 2-3 nodes.
• Leaves short petiolate, orbicular-cordate, 4-6 cm across, rounded and short apiculate at apex, cordate at base, slightly wavy or nearly entire along margins, sometimes irregularly denticulate microscopically; upper surface pale green to dark green, often decorated with pale yellow patches, setulose, seta transparent and appearing whitish, sparse between veins, dense on veins; lower surfaces purplish, especially along veins; petiole 1.5-2.5 cm long.
• Peduncle pale green, sometimes tinged purple, 8-15 cm tall, ca. 2 mm in diam., with 2 sheaths below, sheaths lanceolate, 2-3 cm long; racemes usually with 2 flowers; bracts lanceolate, 5 mm long, 1.5 mm wide; pedicel slender, 4-7 mm long; ovary enlarged, 3-6 mm long. Flowers greenish brown, with purple veins, perianth widely spreading; sepals spatulate, 15-20 mm long, 2.5- 4 mm wide, apex acute, lateral ones slightly oblique and keeled dorsally toward apex; petals linearoblanceolate, 14-18 mm long, 2-3 mm wide, acute; lip light purple on upper surface, with dark purple hue near middle veins, whitish on lower surface, rhombic-ovate, obscurely 3-lobed or nearly unlobed, 13-15 mm long, 11-13 mm wide when expanded, lateral sides or sidelobes erect and embracing column, apex or midlobe spreading, obtuse, often with longitudinal plica near tip; column white, clavate, 7 mm long, distinctly dilated at apex; anther white, short cucullate, 2 mm tall; pollinia clavate, 1.2 mm long; stigma rectangular, concave; rostellum nearly rectangular, truncate at apex.

分布

• 台灣 : semideciduous forests in the southwestern lowlands and western side of the Hengchun peninsula.
• 世界 : Southern China, Thailand, Loas, Myanmar, Sikkim, India, the Philippines, Malaysia, Papua New Guinea and Australia.

引證標本

KAOHSIUNG: Meinung, Su 8307. PINGTUNG: Sheting, Su 7877*; Chineuling, Su & Chen 7886.

參考文獻

• SU, Horng-Jye, Flora of Taiwan, second edition 5: 979. 2000.  (Fl. Taiwan 2nd edit.)