Aloe mitriformis
Aloe mitriformis | ||||||||||||
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Aloe mitriformis |
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Scientific name | ||||||||||||
Aloe mitriformis | ||||||||||||
Mill. |
Aloe mitriformis is a species of aloes in the subfamily of the Affodilla plants (Asphodeloideae). The specific epithet mitriformis is derived from the Latin words mitris for ' miter ' and -formis for'shaped' and refers to the shape of the leaf rosette tip .
description
Vegetative characteristics
Aloe mitriformis grows trunk-forming, branches out at the base or above and forms dense straddling groups. The prostrate, up to 2 meter long trunks have a diameter of 6 centimeters. The ovate-lanceolate leaves form dense rosettes . Their glauk- green to green and rarely spotted leaf blades are up to 20 centimeters long and 10 to 15 centimeters wide. The underside of the leaf is usually keeled towards the tip. The keel has about four to six spines. At the tip of the leaf sits a single or two-column thorn . The whitish to yellowish teeth on the leaf margin are 4 to 6 millimeters long and 10 to 15 millimeters apart. The leaf sap is yellowish when dry.
Inflorescences and flowers
The inflorescence consists of two to four branches and is 40 to 60 centimeters long. The dense, heady grapes are 10 to 12 centimeters long. The lanceolate tapering bracts have a length of 10 millimeters and are 5 to 6 millimeters wide. The cloudy, scarlet flowers are on 40 to 45 millimeter long peduncles . The flowers are 40 to 45 millimeters long and narrowed at their base. Above the ovary are slightly narrowed and then widened towards its mouth. Your outer tepals are not fused together. The stamens and the style protrude up to 2 millimeters from the flower.
genetics
The number of chromosomes is .
Systematics and distribution
Aloe mitriformis is common in the Western Cape province of South Africa.
The first description by Philip Miller was published in 1768. Synonyms are Aloe mitriformis var. Humilior Haw. (no year), Aloe perfoliata var. ν L. (1753), Aloe perfoliata var. mitriformis (Mill.) Aiton (1789), Aloe perfoliata var. ξ Willd. (1799), Aloe mitriformis var. Elatior Haw. (1804), Aloe xanthacantha Salm-Dyck (1854) and Aloe parvispina Schönland (1905).
Hugh Francis Glen and David Spencer Hardy presented Aloe mitriformis in 2000 as a synonym for insufficiently known type Aloe perfoliata . However, they gave no explanation for their actions.
The following subspecies are distinguished:
- Aloe mitriformis subsp. mitriformis
- Aloe mitriformis subsp. comptonii (Reynolds) Zonn.
- Aloe mitriformis subsp. distans (Haw.) Zonn.
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. 601-603 .
- Leonard E. Newton: Aloe mitriformis . In: Urs Eggli (Hrsg.): Succulent lexicon. Monocotyledons . Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3662-7 , pp. 160-161 .
Individual evidence
- ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 156.
- ↑ 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. 601 .
- ^ Philip Miller: The Gardeners Dictionary . 8th edition, 1768, without page numbers, number 1 ( online ).
- ^ Hugh Francis Glen, David Spencer Hardy: Aloaceae (First part): Aloe . In: G. Germishuizen (Ed.): Flora of southern Africa . Volume 5, Part 1, Fascicle 1, National Botanical Institute, South Africa, Pretoria 2000.
- ↑ 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. 602 .
- ↑ a b Ben JM Zonneveld: Genome size analysis of selected species of Aloe (Aloaceae) reveals the most primitive species and results in some new combinations . In: Bradleya . Volume 20, 2002, pp. 5-12.