Euphorbia ballyana
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Euphorbia ballyana |
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Euphorbia ballyana is a species of the genus spurge ( Euphorbia ) in the family of Euphorbiaceae (Euphorbiaceae). The species was named after Peter René Oscar Bally .
description
The succulent Euphorbia ballyana arises from a thickened root and forms a few, only slightly branched shoots from the base. These are stem-round and up to 30 centimeters long and 1 centimeter thick. They are set with flat teeth at a distance of about 2 centimeters from each other. The elongated thorn shields are about 17 millimeters long and stand individually in four rows. Thorns up to 15 millimeters in length and secondary leaf thorns up to 3 millimeters in length are formed.
The inflorescence is formed from single, simple and almost sedentary cymen . The cyathia become 5 millimeters in size. The rectangular nectar glands are greenish in color and border one another. The bluntly lobed fruit grows to around 4 millimeters and the egg-shaped, reticulated seeds around 2 millimeters.
Distribution and systematics
Euphorbia ballyana is distributed in Kenya in the south of Nairobi in the dry scrubland, associated with Sansevieria species at altitudes of 900 meters.
The species was first described in 1966 by Werner Rauh .
swell
- Urs Eggli (ed.): Succulent lexicon. Dicotyledons (dicotyledons) . Eugen Ulmer, Stuttgart 2002, ISBN 3-8001-3915-4 , pp. 117 .
Individual evidence
- ^ Werner Rauh: Euphorbia ballyana Rauh, nov. spec., a new species from Kenya In: Cacti and other succulents . Volume 17, No. 3, 1966, pp. 42-47.
Web links
- Data and photos on the species at euphorbia.de