Peniocereus oaxacensis
| Peniocereus oaxacensis | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Peniocereus oaxacensis | ||||||||||||
| ( Britton & Rose ) DRHunt |
Peniocereus oaxacensis is a species of plant in the genus Peniocereus from the cactus family(Cactaceae).
description
Peniocereus oaxacensis grows dwarfish with fleshy, bulbous roots . The branching shoots are up to 50 centimeters long. There are seven to eleven ribs . The three to five (rarely up to six) central spines are brownish. The eight to twelve (rarely up to 14) slender radial spines are brownish and 4 to 15 millimeters long.
The white flowers open at night. They are 8 to 10 inches long. Your pericarpel is covered with dense brownish bristles. The elongated, purple to magenta colored fruits reach a diameter of 4 centimeters.
Distribution, systematics and endangerment
Peniocereus oaxacensis is common in the Mexican state of Oaxaca .
It was first described as Nyctocereus oaxacensis in 1920 by Nathaniel Lord Britton and Joseph Nelson Rose . David Richard Hunt placed the species in the genus Peniocereus in 1991 . Peniocereus oaxacensis is poorly known.
In the Red List of Threatened Species of IUCN is the species as " Vulnerable (VU) ", d. H. listed as endangered.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 524 .
Individual evidence
- ^ NL Britton , JN Rose : The Cactaceae . Descriptions and Illustrations of Plants of the Cactus Family . tape II . The Carnegie Institution of Washington, Washington 1920, p. 120 .
- ↑ Bradleya . Volume 9, 1991, p. 90.
- ↑ Peniocereus oaxacensis in the IUCN Red List of Threatened Species 2013.2. Posted by: Terrazas, T., 2009. Retrieved January 25, 2014.