Botanical name: Operculina ventricosa Family: Convolvulaceae (Morning glory family)
Synonyms: Operculina tansaensis, Ipomoea saundersiana, Ipomoea ventricosa
Ventricose Morning Glory is a very coarse, extensive, appressed velvet-hairy twiner, stems round. Flowers are white, bell-shaped or broadly funnel-shaped, about 5 cm long; stamens strongly included, anthers tightly coiled. Sepals are round, blunt, with a tiny point at tip, enlarging in fruit. Leaves are very large, up to 30 cm or more across, round heart-shaped, very shortly tapering, leaf-stalks 15-20 cm long. Flower-cluster-stalks are stout, up to a foot long, with compact cymes of up to 7 flowers; bracts prominent, round to oval, membranous, concave, velvet-hairy, somewhat persistent, 2.5-4 cm long. Capsule is spherical, about 2.5 cm long; seeds black, hairless. Ventricose Morning Glory is uncertainly believed to be from the Americas, but now widely naturalized world over.
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The flower labeled Ventricose Morning Glory is ...