生活型

vine

形態特徵

• Glabrous vines, branchlets slender.
• Leaves petiolate, digitately 3–5 foliolate; leaflets subsessile, chartaceous, elliptic, setose to crenate on margin, pale beneath; petioles 2.5–3.5 cm long; tendrils opposite the leaf.
• Flowers minute, yellowish, 20–25 in umbellate inflorescence, axillary; pedicels slender, 8–12 mm long; calyx truncate or obscurely lobed; petals ovate oblong, persistent, at length reflexed; disc fleshy; ovary 2-celled; stigma 4-lobed; cells 2-ovuled.
• Fruit ovoid, 4–6 mm across, black when dry.

分布

• 台灣 : Endemic, at medium altitudes throughout the island, especially abundant in the northern and central parts of the island.

引證標本

TAIPEI: Toi, Tanaka 13516. ILAN: Lu & Ou 7878. TAICHUNG: Tachia, Kudo & Mori s. n. 1930; Pahsienshan, Liu et al. 428. NANTOU: Suzuki 141. CHIAYI: Hayata & Sasaki 16162. (Isotype of Vitis umbellata Hemsl. var. arisanensis Hayata). KAOHSIUNG: Lu & Ou 32160. PINGTUNG: Nunei, Sasaki s. n. 1932. HUALIEN: Mukuashan, Nakamura 4427.

參考文獻

• LU, FU- YUAN, Flora of Taiwan, second edition 3: 706. 1993.  (Fl. Taiwan 2nd edit.)