生活型

herb

形態特徵

• Terrestrial herbs. Root whitish, 7-10 mm thick. Pseudobulbs small and inconspicuous, usually enclosed by sheaths.
• Leaves 6-10, linear, 60-90 cm long, 8-12 mm wide, coriaceous, more or less stiff and erect, apex acute, recurved and becoming sulcate toward base, margins distinctly serrulate, midrib and lateral veins elevated on both surfaces.
• Peduncle producing from base of pseudobulb, 30-50 cm tall; racemes with 12-18 loosely arranged flowers; bracts lanceolate, 2-3 cm long, 4-5 mm wide, acute; pedicel and ovary 3-3.5 cm long. Flowers pale green, pale yellow or sometimes tinged with light purple, 5-7 cm in diam., fragrant; sepals oblong to oblanceolate, 2.4-3.2 cm long, 6-8 mm wide, acute or obtuse at apex; petals lanceolate, 2.2-2.6 cm long, 7-9 mm wide, often with red spots and median line near base; lip pale yellow or pale green, with many irregular large reddish patches, oblong, nearly unlobed, 2.2-2.6 cm long, 1.2 cm wide, hypochile with erect sides, epichile strongly reflexed and undulate, obtuse or rounded at apex, disc with 2 keels often joined at their apex; column pale yellow, 1.6-2 cm long, with minute reddish spots on ventral side; anther yellowish white; pollinia 4, in 2 unequal pairs, attached to triangular viscidium.

分布

• 台灣 : on sunny grasslands or under sparse forests ranging from 1500 to 3000 m in elevations, usually associated with <i>Miscanthus</i> spp.
• 世界 : Southern China.

引證標本

ILAN: Nanshan, Su 729. TAICHUNG: Lishan, Su 957. NANTOU: Hohuangshan, Hayata s. n. Apr 1925; Hoshe, Su 7694.

參考文獻

• SU, Horng-Jye, Flora of Taiwan, second edition 5: 825. 2000.  (Fl. Taiwan 2nd edit.)