Characters;"V. shizishanensis";"V. flexuosa";"V. bryoniifolia";"V. sinocinerea";"V. bellula" tendrils;"unbranched or bifurcate in the upper half";"bifurcate to the middle";bifurcate;"unbranched or bifurcate";"unbranched or bifurcate" "Size of leaves";"ca. 3–10 × 3–9 cm";"ca. 5–12 × 3.5–10 cm";"ca. 2.5–8 × 2–5 cm";"ca. 3–8 × 3–6 cm";"ca. 3–7 × 2–4 cm" "Leaf base";"subtruncate or subcordate to deeply cordate";"slightly subcordate or subtruncate, rarely cordate";"cordate or deeply cordate";"subcordate or subtruncate";"subcordate, subtruncate, or subrounded" "Shape of leaves";"unlobed to 3–7 lobed";"unlobed to slightly 3-lobed";"unlobed to 3–7 lobed";"3-lobed or inconspicuously divided";unlobed "Abaxial mature leaf surfaces";"usually glabrous";"with sparse arachnoid tomentum to glabrescent";"with dense arachnoid tomentum";"with dense arachnoid tomentum";"with dense arachnoid tomentum" "Size of fruits";"5–8 mm in diam";"8–10 mm in diam";"5–8 mm in diam";"6–10 mm in diam";"6–10 mm in diam" Altitude;"10–50 m";"100–2300 m";"100–2500 m";"200–2800 m";"400–1600 m" Distribution;"China (Hubei)";"China, India, Japan, Laos, Nepal, Philippines, Thailand, Vietnam";"China (Anhui, Fujian, Guangdong, Guangxi, Hebei, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Shandong, Shanxi, Sichuan, Yunnan)";"China (Fujian, Hubei, Hunan, Jiangsu, Jiangxi, Taiwan, Yunnan, Zhejiang)";"China (Guangdong, Guangxi, Hubei, Hunan, Sichuan)"