Botanical name: Ipomoea acanthocarpa    Family: Convolvulaceae (Morning glory family)
Synonyms: Ipomoea piurensis, Ipomoea dubia (illeg.)

Sharp-Spindle Morning Glory is a hairless twining herb. Leaves are stalked, 2-11 x 1.5-8 cm, ovate-triangular, shortly and often abruptly tapering or pointed, heart-shaped, ears rounded to pointed, often with a distinct tooth and sometimes shallowly bilobed, below with prominent venation; leaf-stalks 1-8 cm. Flowers are borne in few-flowered, somewhat congested, stalked cymes, carried on flower-cluster-stalks 1–6 cm, often stout. Flower-stalks are 2-5 mm, sometimes warty; sepals slightly unequal, 5-10 x 3.5-7 mm, the margins white, outer ovate, pointed to with a short sharp point, usually prominently warty but otherwise hairless, inner blunt and with a short sharp point, smooth, slightly larger. Flowers are 2-3 cm long, funnel-shaped, pink or white, hairless, limb about 2.5 cm in diameter, the midpetaline bands terminating in mucros. Capsule is a 9-10 mm, almost spherical spindle, ending in a prominent spiny tip. Sharp-Spindle Morning Glory is native to Tropical Africa and America, naturalized in India.

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The flower labeled Sharp-Spindle Morning Glory is ...