Ipomoea triloba

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Ipomoea triloba
Rigid 050518-1623 Ipomoea triloba.jpg

Ipomoea triloba

Systematics
Asterids
Euasterids I
Order : Nightshade (Solanales)
Family : Bindweed family (Convolvulaceae)
Genre : Morning glories ( ipomoea )
Type : Ipomoea triloba
Scientific name
Ipomoea triloba
L.

Ipomoea triloba is a plant type from the genus of Morningglory ( Ipomoea ) from the family of wind plants (Convolvulaceae). The species iswidespreadin America and the West Indies and is also found wild in the tropical areas of the Old World . According to R. Govaerts, Ipomoea krugii Urb. deliver.

description

Ipomoea triloba is a slender, herbaceous climber that is sparsely to densely hairy and can be bald. The leaves are long stalked , the leaf blade is small, usually only 3 to 5 cm long, but often longer. The base is heart-shaped, the leaf surface usually deeply lobed three to five times. The lobes are pointed or tapered and with entire margins.

The inflorescences consist of one to a few flowers . The inflorescence stalks are usually longer than the leaf stalks. The flower stalks are slender and 1 to 2 cm long. The sepals are elongated or oval, 5 to 6 mm long, pointed or pointed and often prickly. The outside is usually tomentose and long ciliate. The crown is colored pink or pale purple, the inside of the throat is dark red or dark purple. The crown is usually 2.5 to 3.5 cm (rarely only 1.5 cm) long, the coronet is 1 to 2 cm or more wide.

The fruits are two-chambered capsules that can be hairy or hairless and measure about 7 mm in diameter. The seeds are hairless.

The number of chromosomes is 2n = 30.

distribution

The species is found in the south of the USA , in Mexico , British Honduras , Guatemala , El Salvador to Panama and in South America to Argentina , as well as on the West Indies , and is a neophyte in the tropics of the Old World . It occurs in damp to wet thickets and forest edges, in hedges or as weeds on cultivated areas. It grows at altitudes below 1500 m and is found in abundance at low altitudes.

literature

  • Paul C. Standley, Louis O. Williams: Convolvulaceae . In: Paul C. Standley, Louis O. Williams, and Dorothy N. Gibsons (eds.): Flora of Guatemala , Fieldiana: Botany, Part IX, Numbers 1-4, 1970-1973.

Individual evidence

  1. ^ A b Rafaël Govaerts (ed.): Ipomoea - World Checklist of Selected Plant Families of the Royal Botanic Gardens, Kew. Last accessed on November 26, 2017.
  2. ^ Ipomoea triloba at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis

Web links

Commons : Ipomoea triloba  - collection of images, videos and audio files