Euphorbia bwambensis
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| Euphorbia bwambensis | ||||||||||||
| S. Carter |
Euphorbia bwambensis is a species of the genus spurge ( Euphorbia ) in the family of Euphorbiaceae (Euphorbiaceae).
description
The succulent Euphorbia bwambensis forms trees with loosely branching and a height of up to 6.5 meters. The three to five-edged shoots are 1 to 2.5 centimeters thick. On the edges, which are usually thinly winged, there are flat teeth at a distance of 1 to 4 centimeters from one another. The obtuse triangular thorn shields are up to 4 millimeters long and 3 millimeters wide. Thorns up to 3 millimeters in length and long-lived leaves up to 9 centimeters in length and 5 centimeters in width are formed. The obovate leaves have a stem up to 7 millimeters long and are located at the tips of the branches.
The inflorescence consists of individual cymes , which are forked twice and stand on 2 to 7 millimeter long stems. The cyathia reach 6.5 millimeters in diameter. The elliptical nectar glands are colored yellow and almost collide. The ovary has a distinct three-lobed flower cover. The sharp-edged lobed fruit is about 9 millimeters long and 14 millimeters wide. It stands on a strong stalk up to 8 millimeters long, turns reddish in color and contains the spherical seeds. These are about 4 millimeters in size and have a smooth surface.
Distribution and systematics
Euphorbia bwambensis is widespread in western Uganda and northeastern Zaire in wooded areas at altitudes of 800 meters. The species is on the IUCN Red List and is considered endangered (Vulnerable).
The species was first described in 1987 by Susan Carter Holmes .
swell
- Urs Eggli (ed.): Succulent lexicon. Dicotyledons (dicotyledons) . Eugen Ulmer, Stuttgart 2002, ISBN 3-8001-3915-4 , pp. 125 .
Individual evidence
- ^ Kew Bulletin. Volume 42, Number 3, pp. 681-682, 1987 Kew, England.
Web links
- Euphorbia bwambensis onthe IUCN Red List of Threatened Species .
- Herbarium of the kind at ville-ge.ch