Aloe challisii
| Aloe challisii | ||||||||||||
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| Aloe challisii | ||||||||||||
| van Jaarsv. & AEvan Wyk |
Aloe challisii is a plant of the genus Aloe in the subfamily of asphodeloideae (Asphodeloideae). The specific epithet challisii honors the aloe and succulent lover Chris Challis, who discovered the species.
description
Vegetative characteristics
Aloe challisii grows short trunk-forming, branches in the subsoil and forms small, dense groups with a diameter of up to 20 centimeters. The roots are fleshy, the trunks drooping. The fleshy, flaccid and drooping, linear leaves form rosettes . The bluish green, striped leaf blade is 10 to 20 centimeters (rarely up to 25 centimeters) long and 0.8 to 1 centimeter (rarely up to 2 centimeters) wide. At its base it is mottled purple-green and white. The white teeth on the cartilaginous leaf margin are 0.4 to 1 millimeter long and 1 to 3 millimeters apart. There are five to six teeth at the top.
Inflorescences and flowers
The simple inflorescence reaches a length of 14 to 16 centimeters. The almost capped grapes are 4 to 4.5 centimeters long and consist of up to 15 flowers. The deltoid-pointed bracts have a length of 8 to 9 millimeters and are 4 millimeters wide. The bright orange-red, yellow to green tipped flowers stand on 10 to 15 millimeter long, orange-colored pedicels . The flowers are 25 millimeters long. At the level of the ovary , the flowers are 7 millimeters in diameter. Your outer tepals are not fused together. The stamens and the stylus do not protrude from the flower.
Systematics and distribution
Aloe challisii is widespread in the South African province of Mpumalanga on south-east facing quartzite sandstone cliffs at altitudes of 1700 to 1800 meters. The species is only known from the area where the type was found.
The first description by Ernst Jacobus van Jaarsveld and Abraham Erasmus Van Wyk was published in 2006.
proof
literature
- Susan Carter , John J. Lavranos , Leonard E. Newton , Colin C. Walker : Aloes. The definitive guide . Kew Publishing, Royal Botanic Gardens, Kew 2011, ISBN 978-1-84246-439-7 , pp. 112 .
Individual evidence
- ↑ Gideon F. Smith, Colin C. Walker, Estrela Figueiredo: What's in a name: epithets in Aloe L. (Asphodelaceae) and what to call the next new species . In: Bradleya . Volume 28, 2010, p. 89.
- ^ Ernst van Jaarsveld, Abraham E. van Wyk: Aloe challisii, a new cliff-dwelling aloe from Mpumalanga, and a checklist of the obligate cliff-dwelling aloes in South Africa and Namibia . In: Aloe . Volume 43, Number 2-3, 2006, pp. 36-41.
Web links
- Aloe challisii in the Red List of South African Plants
- Photos of Aloe challisii