Pereskia quisqueyana
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Pereskia quisqueyana |
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Pereskia quisqueyana is a species of plant in the genus Pereskia from the cactus family(Cactaceae).
description
Pereskia quisqueyana grows shrubby and reaches heights of 2 to 4 meters. The greenish-brown to brown, smooth trunk has a diameter of up to 25 centimeters. The spindle-shaped thickened roots have a length of 20 to 30 centimeters and a diameter of 5 to 10 centimeters. The leaves are stalked. The elliptical to obovate to lanceolate leaf blade is 3 to 5 inches long and 2.5 to 3 inches wide. The areoles only have thorns and do not produce any leaves. On the branches there are up to four straw-colored to brown thorns per areole that are 1 to 1.5 centimeters long. Up to 120 thorns are formed on the trunk per areole, which have a length of 2 to 6 centimeters.
The flowers are unisexual and reach a diameter of 5 to 7 centimeters. Fruits and seeds have not yet been described.
Distribution, systematics and endangerment
Pereskia quisqueyana is distributed in the southeast of the Dominican Republic in coastal thickets on coral limestone and sand at sea level.
It was first described in 1980 by Henri Alain Liogier .
In the Red List of Threatened Species of IUCN is the species as " Critically Endangered (CR) ", d. H. listed as critically endangered.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 530 .
Individual evidence
- ^ A. Liogier: Novitates Antillanae, VIII. In: Phytologia . Volume 47, New York 1980, p. 183.
- ↑ Pereskia quisqueyana in the endangered Red List species the IUCN 2013.2. Posted by: Gann, GD & Griffith, P., 2013. Retrieved May 16, 2014.
Web links
- Pereskia quisqueyana at ARKive.org