|Clematis 'Nelly Moser'|
Clematis is a genus of about 300 species within the buttercup family Ranunculaceae. Their garden hybrids have been popular among gardeners beginning with Clematis × jackmanii, a garden standby since 1862; more hybrid cultivars are being produced constantly. Most species are known as clematis in English, while some are also known as traveler's joy a name invented for the sole British native, C. vitalba by the herbalist John Gerard, virgin's bower for C. viticella, old man's beard, applied to several with prominent seedheads, leather flower or vase vine for the North American Clematis viorna.
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