Euphorbia rossii
| Euphorbia rossii | ||||||||||||
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Euphorbia rossii in culture |
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| Scientific name | ||||||||||||
| Euphorbia rossii | ||||||||||||
| Rauh & Buchloh |
Euphorbia rossii is a species of the genus spurge ( Euphorbia ) in the family of Euphorbiaceae (Euphorbiaceae). The species is named after Erich Ross from Heidelberg, a promoter of research into Malagasy plants.
description
The succulent Euphorbia rossii forms shrubs up to 1 meter high, which branch out from a bulbous root at the base. A short stem with a diameter of 3 centimeters is formed. The branches are up to 1 centimeter thick and form short side shoots. The linear leaves on the side shoots are up to 40 millimeters long and 4 millimeters wide and are almost sessile. The stipule spines are very dense and up to 15 millimeters long. They have a thickened base and are grouped together with other thorns. Younger thorns are hairy.
The inflorescence consists of terminal and almost sessile cymes . The approximately 5 millimeter large cyathophylls are spread out in clusters and are tapered to a point. The cyathia are up to 3 millimeters in diameter. The elliptical nectar glands are colored yellow-orange. The bluntly lobed fruit reaches 3 millimeters in diameter.
Distribution and systematics
Euphorbia rossii is endemic to the southwest of Madagascar in the Mangoky Valley.
The species was first described in 1967 by Werner Rauh and Günther Buchloh .
swell
- Urs Eggli (ed.): Succulent lexicon. Dicotyledons (dicotyledons) . Eugen Ulmer, Stuttgart 2002, ISBN 3-8001-3915-4 , pp. 195 .
- Werner Rauh: Remarkable succulents from Madagascar More Madagascan euphorbias Section Diacanthium In: Cacti and other succulents . Volume 18, No. 11, 1967, pp. 202-207.
