Calystegia

noun

Cal·​y·​ste·​gia

ˌkaləˈstējēə

: a small genus of twining or prostrate perennial herbs closely related to and by some included in Convolvulus but distinguished by the large bracts below the calyx

Word History

Etymology

New Latin, irregular from calyx + Greek stegē roof (from stegein to cover) + New Latin -ia

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