Aloe alexandrei
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Aloe alexandrei is a species of aloes in the subfamily of the Affodilla family (Asphodeloideae). Thespecific epithet alexandrei honors Alexandre Viossat, who discovered the species.
description
Vegetative characteristics
Aloe alexandrei grows easily and rarely forms two stems. The upright trunks reach a length of more than 3 meters and are 16 centimeters thick. The 19 to 30 upright leaves, which are spread out in old age, form rosettes . The pale green to greenish-yellow, indistinctly lined leaf blade is 60 to 100 centimeters long and 12 centimeters wide. The curved, whitish teeth on the reddish leaf margin are 0.5 to 2 millimeters (rarely up to 4 millimeters) long and are usually 5 to 10 millimeters apart. The leaf sap is greenish yellow.
Inflorescences and flowers
The inflorescence consists of two to four branches and reaches a length of 55 to 100 centimeters. Up to three are trained per rosette. The dense, cylindrical-pointed grapes are about 30 centimeters long and 1.2 to 5 centimeters wide. The thin bracts are tiny. The red, orange or yellow flowers are on 14 to 25 millimeter long green, orange or red flower stalks . The flowers are 30 millimeters long. At the level of the ovary , the flowers have a diameter of 5 to 8 millimeters. Your outer tepals are not fused together over a length of about 10 millimeters. The stamens and the pen stand out 3 to 5 millimeters from the flower.
fruit
The fruits that do not pop open are depressed spherical. They are 12 millimeters long and 14 millimeters wide.
Systematics and distribution
Aloe alexandrei is endemic to the Comoros . The species grows in small earth pockets on basalt lava.
The first description by Anthon Ellert 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. 664 .
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. 87.
- ↑ Anthon Ellert: Aloe alexandrei. A suprisingly unknown new species from the island of Grande Comore . In: Cactus and Succulent Journal . Volume 78, Number 1, Cactus and Succulent Society of America, 2006, pp. 10-14 ( doi : 10.2985 / 0007-9367 (2006) 78 [10: AA] 2.0.CO; 2 ).
Web links
- Photo by Aloe Alexandrei
- Herbarium evidence