生活型

vine

形態特徵

• A slender perennial vine of the same habit as the common grape vine; branches more or less reddish tomentose when young and becoming almost smooth when older.
• Leaves petiolate, simple, broad or triangular ovate, undivided or narrowly 3-lobed, apex somewhat cuspidate, upper surfaces glabrous and lower surfaces pubescent along the veins especially in vein-axils, elongated, 5–14 cm long, diverging, sparingly puberulous.
• Flowers minute, greenish; calyx obscurely 5-lobed; petals 5, calyptrate.
• Fruits black, 2–3-seeded, 6–8 mm across; seeds shortly ovoid, beaked.
• Glabrate or sparingly puberulous vines, lower leaves broader and upper ones triangular ovate. Thyrse usually more than 6 cm long.

分布

• 台灣 : Rather rare,
• 世界 : Widely distributed in Korea, Japan, China and Indo-China.

引證標本

KAOHSIUNG: Lu & Ou 32165, 32166 (Vitis flexuosa f. flexuosa)

參考文獻

• LU, FU- YUAN, Flora of Taiwan, second edition 3: 708. 1993.  (Fl. Taiwan 2nd edit.)