生活型

herb

形態特徵

• Terrestrial herbs. Rhizome creeping, up to 1 m long, ascending at apex; erect stems 20-30 cm tall, leafy upward.
• Leaves oblong, slightly oblique, 10-15 cm long, 4-6 cm wide, acute at apex, obtuse at base, membranaceous; petioles 5 cm long, base sheathing.
• Peduncle purplish brown, 10-15 cm long, hairy, with 3-5 bract-like sheaths below, sheaths ovate-lanceolate, hairy; rachis ca. 15 cm long, manyflowered; floral bracts lanceolate, hairy outside, ciliated at margins. Flowers racemose, yellowish brown; ovary cylindrical, 7-10 mm long, hairy; sepals ovate-lanceolate, 7-8 mm long, 2.5-3 mm wide, hairy outside, lateral ones slightly wider and oblique; petals linear-spathulate, 7-8 mm long, 2 mm wide; lip ovate-oblong, 7-8 mm long, base saccate, hairy within, limb tongue-shaped, obtusely caudate and reflexed at apex; column, 6-7 mm long, with slightly elevated keel near base; anther ovate, nearly as long as rostellum; pollinia 4-4.3 mm long; stigma flat, orbicular; viscidium narrowly oblong, about 1 mm long.

分布

• 台灣 : common in forests at low elevations.
• 世界 : Widely distributed in southeastern Asia and Australia.

引證標本

TAIPEI: Wulai, Leou 3744. ILAN: Nanao, Leou 4058. TAOYUEN: Shihmen, Leou 3694; Fuhsing, Su 8829. HSINCHU: Kuanshi, Leou 3693. MIAOLI: Tafu, Leou 3191. NANTOU: Hsinyi, Leou 3595; Chushan, Leou 3733. KAOHSIUNG: Duona, Leou 3757. PINGTUNG: Kaoshihu, Segawa s. n. Mar 1937. TAITUNG: Tawu, Segawa s. n. Aug 1933. HUALIEN: Liwu,. Su 9464.

參考文獻

• SU, Horng-Jye, Flora of Taiwan, second edition 5: 906. 2000.  (Fl. Taiwan 2nd edit.)