Ipomoea obscura (L.) Ker Gawl.


Ipomoea obscura (L.) Ker Gawl.


Convolvulaceae

Description

Herbs twining; axial parts glabrous, spreading pubescent, or almost woolly. Stems thinly angular, 1-2 m. Petiole 1.5-3.5 cm; leaf blade cordate-circular or ovate, occasionally reniform, 2-8 X 1.6-8 cm, glabrous or sparsely pilose, base cordate, margin entire or minutely undulate, apex attenuate, acute. Inflorescences 1-3-flowered; peduncle almost filiform, 1.4-4 cm; bracts subulate, ca. 1.5 mm. Pedicel 0.8-2 cm, subglabrous, thickened and recurved in fruit distally. Sepals reflexed in fruit, elliptic-ovate, subequal, 4-5 mm, glabrous or ± pubescent, mucronulate, outer ones whitish margined. Corolla white or pale yellow, with darker midpetaline bands and a purple center, funnelform, 2-2.5 cm. Stamens included; filaments very unequal. Pistil included; ovary glabrous. Stigma 2-lobed. Capsule conical-ovoid or ± globose, 6-8 mm in diam., apiculate. Seeds black-brown, 4-5 mm, densely gray-brown tomentellous. 2n = 30.
Location: Palladam, Tamil Nadu, India

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