Climbing or sprawling semi-woody vine. Stems glabrate to pubescent. Leaves usually pinnately compound. Leaflets usually 5, glabrous, membranous, ovate to elliptic, 2-8 cm (0.8-3.1 in) long and 1.5-5 cm (0.6-2 in) wide, apiculate or mucronate, petiolules elongated. Inflorescence axillary, cymose-paniculate, pedunculate. Sepals whitish, spreading, oblong to obovate, 6-15 mm (0.4-0.6 in) long, margins tomentose. Styles 1.5-3 cm (0.6-1.2 in) long.
Distribution: Native to east Asia, but spreading from cultivation in the eastern U. S..
Habitat: Disturbed areas, fencerows, roadsides, etc..
NWI status: none
Comment: Clematis is a name given by Dioscorides to some slender climbing plant; terniflora may refer to the secondary panicle-branches, which often have three flowers.
Distribution in Oklahoma: 
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Last update: 9/9/99
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