Belonging to the family Convolvulaceae, the genus Calystegia is a group comprising 75 taxa. It is widespread across North America and Europe, and is also natively found in South America, Africa, Temperate Asia, Tropical Asia, Australasia, the Pacific, and Antarctic. Across its taxa, it is commonly associated with subtropical and temperate regions. It features a mix of shrubs and herbaceous perennials.
Data Profile
Taxonomic Scale: 75 taxa (31 base species, 44 variants).
Centers of Diversity: North America (51), Temperate Asia (16), Africa (11)
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