生活型

vine

形態特徵

• Glabrous right-twining vine; stems terete, brown.
• Leaves opposite, chartaceous, lanceolate or elliptic, 5-7 cm long, 1.5-3.5 cm wide, apex acute, base obtuse or rounded; nerves 3-5, veinlets obscure above and prominent beneath; petioles 2-3.5 cm long; slender.
• Staminate inflorescences of one to many fascicled spikes, rarely paniculate, axillary, spikes 3-5 cm long, ca. 20-flowered; staminate flowers 1 mm long, 1,5 mm wide, sessile, 2 bracts at base; bract triangular, apex acuminate, 2 mm long; rachis flat, sulcate; perianth segments 6; fertile stamens 6; pistilate spikes 1-2, 2-12 cm long, each bearing 2-10 subsessile flowers.
• Capsules reniform, 3-winged, 1.5-2 cm long, 1.5-4 cm wide, shortly stipulate; seeds 4 mm long, with the wing 3-7 mm wide.

分布

• 世界 : Distributed in Hongkong and Taiwan.

引證標本

TAIPEI: Yangmingshan, Huang 9736; Nankoshan, Suzuki s. n. 1922; Sansiah, Simada SH1039. TAICHUNG: Pasienshan, Suzuki s. n. 1929. NANTOU: Sun-Moon Lake, Sasaki s. n. 1929; Wushe, Sasaki s. n. 1929. PINTUNG: Machia, Huang et al. 7353; Nanjenshan, Kao 7341; Raysia, Matuda 523; Bodansya, Matuda 526. HUALIEN: Agriculture Farm, Huang et al. 17348, 17532.

引用文獻

• HUANG, Tseng-Chieng and HSIAO, Jin-Long, Flora of Taiwan, second edition 5: 89. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)