生活型

shrub-liana

形態特徵

• Woody vine, sometimes a shrub, 20–30 m high, glabrous or nearly so, grayish brown.
• Leaves simple, opposite, shortly petiolate, subcoriaceous, variable in size, oblong to oblong-lanceolate or ovate-oblong, mostly 10–15 cm long, 4–6 cm wide, sometimes larger, acuminate to acute, slightly cuneate or obtuse at base, generally with 2 glands beneath or glabrescent, margin often glandular-dotted beneath, lateral veins 6–7 pairs, curved toward the tip; petioles 7–10 mm long; stipules minute, gland-like.
• Inflorescence 10–35 cm long, pubescent or glabrous. Flower fragrant, white, bisexual, terminal; calyx deeply incised; petals 5, orbicular to elliptic, clawed; stamens 10, varying from 2–18 mm long; stigma acute.
• Fruit samaras, with 3 laterally coriaceous wings, usually variable in size and shape, dark reddish when fresh, brownish when dry, glabrescent. Seeds globose 3–4 mm across, lustrous.

分布

• 台灣 : known from low to medium altitudes up to 1500 m, in thickets and forests.
• 世界 : India, Malaysia to South China.

引證標本

TAIPEI: Chihshanyan, Chen 3396; Wulai, Ou s. n. 1986. MIAOLI: Wusheoi, Li s. n. 1981; Lanhwu, Kawakami 9213. HSINCHU: Kawakami 14315; Tzawchyau, Shimada 14317. TAICHUNG: Gukuang, Ou 4391; Lienhwachih, Chen s. n. 1969. NANTOU: Puli, Lan s. n. 1977; Jwnshan, Lo s. n. 1966. KAOHSING: Genzengu, Lin s. n. 1980; Chang 5408. PINGTUNG: Mutan, Chang 2528; Nanjenshan, Chen 4057. TAITUNG: Chihpen, Chang 5274; Is. Lutao, Chang 4118; Is. Lanyu, Ye 626. HUALIEN: Taihoku, Sokei 14312.

引用文獻

• CHEN, CHING-HSIA, Flora of Taiwan, second edition 3: 565. 1993.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)