Brooklyn Botanic Garden

Clematis virginiana

Clematis

by Steven D. Glenn
Not peer reviewed
Last modified: 04/12/2013

Nomenclature

Clematis L., Sp. Pl. 1: 543. 1753; Gen. Pl., ed. 5, 242. 1754. Clematitis Moench, Meth. Pl. 296. 1794. LECTOTYPE: Clematis vitalba L. designated by Britton & Brown (1913).

Key to the species of Clematis

1. Leaves simple (at least at the base of young shoots), (commonly cultivated)...Clematis ×jackmanii
1. Leaves compound...2

2. Flowers numerous in each inflorescence, borne in panicles of cymes, rarely simple cymes...3
2. Flowers 1-3 in each inflorescence, borne solitary or in simple cymes...4

3. Leaflets mostly 3, margins coarsely serrate to dentate...Clematis virginiana
3. Leaflets mostly 5, margins entire...Clematis terniflora

4. Flowers 100-120 mm wide, (commonly cultivated)...Clematis ×jackmanii
4. Flowers 30-80 mm wide...Clematis occidentalis

List of Clematis Species

References

References to Clematis

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