Ipomoea turbinata
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Ipomoea turbinata |
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Ipomoea turbinata is a plant type from the genus of Morningglory ( Ipomoea ) from the family of wind plants (Convolvulaceae). The species is distributed worldwide in tropical areas. According to R. Govaerts, the species Ipomoea muricata (L.) Jacq. be called.
description
Ipomoea turbinata is a hairless annual or perennial plant . The stems are wide and hairy with soft bristles. The leaves are hairy with 4 to 12 cm long and hairless or soft-bristled hairy petioles . The leaf blades are membranous, ovate or round, 7 to 16 cm long and 6 to 14 cm wide. They are pointed towards the front and heart-shaped at the base.
The inflorescences are loose dichasiale or monochisale cymes from one to a few flowers . They are hairless and heavily thickened when the fruit is ripe. The bracts are tiny. The sepals are almost the same shape, elongated ovoid, the outer ones are 6 to 7 mm long and covered with a 4 to 6 mm long awn. The inner sepals are 7 to 8 mm long and covered with a shorter awn. The crown , which opens at night, is pale bluish purple in color and 5 to 7.5 mm long. The corolla tube is narrow and cylindrical and 3 to 6 cm long. The coronet is funnel-shaped or plate-shaped.
The fruits are 1.8 to 2 cm long capsule fruits . The seeds are egg-shaped, 9 to 10 mm long and 5 mm wide. They are flattened, black, and hairless.
The number of chromosomes is 2n = 30.
distribution
The species is native to tropical America , but is widely feral in the tropical areas of the Old World . It is often cultivated as an ornamental plant.
It grows in forests near rivers, in grasslands and on river banks at altitudes around 1000 m.
literature
- Maria Leonor Gonçalves: Convolvulaceae . In: E. Launert (Ed.): Flora Zambesica , Volume 8, Part 1, Kew Publishing, 1987
Individual evidence
- ^ Ipomoea muricata at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
