Ipomoea obscura

Ipomoea obscura, India

Ipomoea obscura is a species of the genus of morning glories (Ipomoea ) from the family of wind plants ( Convolvulaceae ). The species is widespread.

Description

Ipomoea obscura is a twining, herbaceous plant whose stems can be glabrous, spreading or almost woolly hair. The stems are slightly angled and are 1 to 2 m long. The leaves are petiolate with 1.5 to 3.5 cm long petioles. The leaf blades are heart-shaped, round to ovoid, sometimes kidney-shaped. They are 2-8 cm long and 1.6 to 8 centimeters wide. They are glabrous or sparsely hairy, heart-shaped at the base, tapering to the tip or pointed. The leaf margins are entire or wavy fine.

The inflorescences consist of one to three flowers. They are long, almost thread-like inflorescence stems at 1.4 to 4 cm. The bracts are pfriemförmig and about 1.5 mm long. The flower stems are 0.8 to 2 cm long, almost hairless and swollen at the fruit and bent back at the top. The sepals are elliptic- ovate, nearly equal in size and 4-5 cm long. They are glabrous or more or less hairy and kleinspitzig, in the fruit they are bent back, the outer ones are bordered whitish. The crown is funnel-shaped, 2 to 2.5 cm long, white to pale yellow, the bands along the axis of the petals are darker, the center of the crown is purple. The stamens are not beyond the crown, the stamens are clearly unequal in length. The stamp is not above the crown beyond the ovary is glabrous and carries a pen with a two-lobed stigma.

The fruits are conical - ovoid or nearly spherical, the front tapered capsules with a diameter of 6 to 8 mm. The seeds are black - brown, 4-5 mm long and dense gray - brown feinfilzig.

Dissemination

The species is widespread in Asia, East Africa, northern Australia and the islands of the Pacific. It grows in thickets, open woods, sandy soils and seacoasts at altitudes 0-1600 m.