Ipomoea pauciflora

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Ipomoea pauciflora
Ipomoea pauciflora, flower detail.jpg

Ipomoea pauciflora

Systematics
Asterids
Euasterids I
Order : Nightshade (Solanales)
Family : Bindweed family (Convolvulaceae)
Genre : Morning glories ( ipomoea )
Type : Ipomoea pauciflora
Scientific name
Ipomoea pauciflora
M. Martens & Galeotti

Ipomoea pauciflora is a plant type from the genus of Morningglory ( Ipomoea ) from the family of wind plants (Convolvulaceae). The species is common in America .

description

Ipomoea pauciflora is a large, woody climber whose trunks can reach a diameter of 2 cm. The plant is hairless or almost hairless. The leaf blades of the leaves are usually egg-shaped and have entire margins, they reach a length of 5 to 8 cm. They are pointed forward or long and rounded at the base or very weakly heart-shaped.

The inflorescences are little to much flowered cymes , which are often on branches without leaves. The inflorescence stalks are 8 to 12 cm long, the flower stalks 3 cm or less. The sepals are almost the same shape, rounded ovoid and 5 to 8 mm long. The approximately 6 cm long crown is colored white and often has a dark red or purple throat. The coronet has a diameter of 6 to 8 cm.

The fruits are thick-walled, elliptical, two-chamber capsules with a length of 2 cm and a diameter of 1 cm. They open via four flaps. The seeds are covered with long, soft, protruding, white trichomes .

distribution

The species is distributed in western and southern Mexico , Guatemala , Honduras and Nicaragua and is also found from Colombia to Peru. It grows there in dry thickets and on hills at altitudes of 400 to 900 m.

Systematics

One can distinguish between two subspecies:

  • Ipomoea pauciflora subsp. pauciflora : It occurs from Mexico to Nicaragua.
  • Ipomoea pauciflora subsp. vargasiana (O'Donell) McPherson : It occurs from Colombia to Peru.

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, Nos. 1-4, 1970-1973.

Individual evidence

  1. a b c Rafaël Govaerts (Ed.): Ipomoea - World Checklist of Selected Plant Families of the Royal Botanic Gardens, Kew. Last accessed on November 23, 2017.

Web links

Commons : Ipomoea pauciflora  - Collection of images, videos and audio files