生活型

herb

形態特徵

• Plant including flower 3-4 cm tall. Tuberoids white, ovoid, usually < 4 mm long, minutely pilose. Rhizomes erect, 5-13 mm long, tapering downward, pilose where new rhizome and tuber are found. Stem usually < 3 cm long, buried in debris, glabrous, with a tubular sheath at base.
• Leaves sessile, cordate, usually < 2 cm long, 2 cm wide, cuspidate at apex, entire, greenish, glabrous on both sides, venation palmate.
• Pedicel and ovary 4 mm long, obliquely ovoid. Flowers solitary, purplish-red; bracts linear-lanceolate, < 12 mm long, 2 mm wide at base, acuminate; dorsal sepal incurved and embracing upper part of lip, spatulate, 17 mm long, 8 mm wide, round at apex, keeled longitudinally; lateral sepals connate at base for about 1/5 of length, filiform, 14 mm long, 1 mm wide at base; petals filiform, usually < 20 mm long, spreading. Lip orbicular in outline when flattened, both sides incurved and completely embracing column, forming a tube with opening about 8 mm across and 10 mm long, minutely serrate along front margins; disc with 5 red concentric markings, anterior limb abruptly recurved at apex, basal part forming 2 horn-like spurs; spurs 5 mm long and 6 mm apart. Column dark red, 2.5 mm long, 1 mm wide, forming a separate protruding callus-like structure in front; anther adnate on column, 1 mm long, anther connective membranaceous, covering pollinia below; pollinia 4, in 2 pairs, with viscidium; stigma protruding, cupular.

物候

Flowering time: July.

分布

• 台灣 : So far, found in forests at about 1750 m in the central mountain region, often growing on mossy rocky slopes.
• 世界 : Yunnan, China.

引證標本

Weimin Lin s. n. (holo TAI 259402, Shanlinshi, Nantou County).

參考文獻

• Wei-Min Lin, Tien-Chung Hsu and Tsan-Piao Lin, Taiwania 52(4): 281. 2007.
• Tsan-Piao Lin and Wei-Min Lin, Taiwania 54(4): 333. 2009.