Clematis uncinata Champ. ex Benth.

Vines woody. Branches shallowly longitudinally 10--14-grooved, glabrous. Leaves pinnate or 2-pinnate, 5--15-foliolate, glabrous; petiole 3--8.5 cm; leaflet blades ovate-elliptic, ovate, narrowly ovate, or lanceolate, 3--13 × 1.5--5 cm, leathery to papery, abaxially reticulate or not, base rounded, broadly cuneate, subcordate, or truncate, margin entire, apex acuminate, acute, or attenuate; basal veins abaxially prominent. Cymes axillary or terminal, usually many flowered, paniclelike, glabrous; peduncle 1--8 cm; bracts sessile, subulate, 3--8 mm, sometimes petiolate, lanceolate, to 3.5 cm. Flowers 1.7--3 cm in diam. Pedicel 1--2.2 cm. Sepals 4, white, spreading, narrowly oblong to narrowly obovate-oblong, 6--15 × 2--7 mm, abaxially glabrous except for velutinous margin, adaxially glabrous, apex acute. Stamens (3--)8--11 mm, glabrous; anthers narrowly oblong to linear, 2.8--3.2 mm, apex minutely apiculate. Ovaries glabrous or pubescent. Style 5--8 mm, densely villous. Achenes subulate-terete, 5--7 × 1.4--1.8 mm, glabrous or pubescent; persistent style 1.5--2(--3) cm, plumose. Fl. Apr--Jul, fr. Jul--Nov.

S Anhui, Fujian, S Gansu, Guangdong, Guangxi, Guizhou, Hubei, Hunan, S Jiangsu, Jiangxi, S Shaanxi, Sichuan, Taiwan, SE Yunnan, Zhejiang [S Japan, Vietnam].

Forests, forest margins, slopes, scrub, open areas, along streams; 100--2500 m.

Clematis uncinata là một loài thực vật có hoa trong họ Mao lương. Loài này được Champ. ex Benth. mô tả khoa học đầu tiên năm 1851.

柱果铁线莲（学名：Clematis uncinata）为毛茛科铁线莲属下的一个种。