Aloe roeoeslii
| Aloe roeoeslii | ||||||||||||
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| Scientific name | ||||||||||||
| Aloe roeoeslii | ||||||||||||
| Lavranos & TAMcCoy |
Aloe roeoeslii is a species of aloes in the subfamily of the Affodilla family (Asphodeloideae). The specific epithet roeoeslii honors Walter Röösli, who together with Ralph Hoffmann collected the type specimen.
description
Vegetative characteristics
Aloe roeoeslii grows individually, is stemless or stem-forming. The upright or, more rarely, prostrate trunk reaches a length of up to 125 centimeters. The up to 30 deltoid-pointed leaves are spread out to ascending and form fairly loose rosettes . Their silver-gray, pink or reddish tinged leaf blades are 50 centimeters long and 5.5 centimeters wide. The pink, cartilaginous leaf margin is 1 to 2 millimeters wide. The pointed, pink, triangular teeth on the leaf edge are 1.5 millimeters long and are 5 to 9 millimeters apart. The light lemon yellow leaf juice dries light brown.
Inflorescences and flowers
The upright inflorescence is branched and branched again many times. It reaches a length of up to 90 centimeters. The slightly loose, upright, conical grapes are up to 25 centimeters long. The concave, pointed bracts are 6 to 12 millimeters long. The elongated cylindrical, bright red flowers are yellowish in their upper half. They stand on flower stalks up to 18 millimeters long . The flowers are 35 millimeters long. At the level of the ovary , the flowers have a diameter of 5 millimeters. Above that, they are narrowed to 4 millimeters. Your outer tepals are not fused together over a length of 20 millimeters. The stamens and the pen stand out 1 to 2 millimeters from the flower.
Systematics and distribution
Aloe roeoeslii is distributed in Madagascar in the Antsiranana province on strongly karstified Jurassic limestone at a height of about 150 meters.
The first description by John Jacob Lavranos and Thomas A. McCoy was published in 2005.
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. 336 .
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. 99.
- ↑ John J. Lavranos, Tom A. McCoy: Aloe roeoeslii (Aloaceae), a beautiful new clan from northern Madagascar . In: Cacti and other succulents . Volume 56, Number 3, 2005, pp. 66-69.
Web links
- Photos of aloe roeoeslii