Cylindropuntia santamaria
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| Cylindropuntia santamaria | ||||||||||||
| ( EMBaxter ) Rebman |
Cylindropuntia santamaria is a species of the genus Cylindropuntia in the cactus family(Cactaceae). The specific epithet santamaria means 'from the locality near Santa Maria'.
description
Cylindropuntia santamaria grows as a creeping or climbing overgrown shrub with non-sloping branches and reaches heights of 0.3 to 1.5 meters. On the gray-green or yellowish or reddish tinged, 9 to 15 centimeters long and 3 to 4.5 centimeters in diameter shoot sections, there are clearly recognizable humps, which often stand together in eight to nine ribs. The light yellow areoles turn gray with age and wear 1 to 2 millimeters long inconspicuous glochids , of which a few are often gray and bristle-like. The 20 to 26 thorns are present on all areoles. They are more or less orange-brown to gray or dark brown and 1.5 to 2.5 inches long. Their sheaths are white.
The greenish sulfur-yellow flowers have to bloom cladding pink midrib. The round to barrel-shaped, tan to light gray fruits are dry and thorny or not thorny. They are 1.6 to 2.8 inches long and 1.4 to 2.1 inches in diameter.
Distribution, systematics and endangerment
Cylindropuntia santamaria is distributed in the Mexican state of Baja California Sur on Isla Magdalena at altitudes of up to 200 meters. The distribution area covers less than 20 km².
The first description as Grusonia santamaria by Edgar Martin Baxter was published in 1934. Jon Paul Rebman placed the species in the genus Cylindropuntia in 2002 . A nomenclatory synonym is Opuntia santamaria (EMBaxter) Wiggins (1964).
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. 174-175 .
Individual evidence
- ^ Cactus and Succulent Journal . Volume 6, Cactus and Succulent Society of America, 1934, p. 60.
- ^ Journal of the Arizona-Nevada Academy of Science . Volume 34, number 1, 2002, p. 45.
- ↑ Cylindropuntia santamaria in the IUCN Red List of Threatened Species 2014.1. Posted by: Puente, R., 2013. Retrieved June 16, 2014.