Disocactus martianus
Disocactus martianus
Disocactus martianus is a species of the genus Disocactus in the cactus family ( Cactaceae ). The specific epithet honors the German botanist Carl Friedrich Philipp von Martius.
Description
Disocactus martianus growing creeping, occasionally forming lithophytic with aerial roots. The individual shoots are up to 1.5 meters long and up to 2.5 inches thick. The 8 to 10 wart-like ribs are fenced off 3-4 brown central spines. The 6 to 10 radial spines are bright yellow and only 5-7 millimeters in size. Bright red day flowers with a size of 10 to 12 inches in diameter and a length of 5 to 7 centimeters alternate throughout the summer from over. The green, round fruits up to 2 inches tall.
Distribution, systematics and hazard
Disocactus martianus is common in the Mexican state of Oaxaca.
The first description was in 1837 as Cereus martianus by Ludwig Georg Karl Pfeiffer. Wilhelm Barthlott set the type 1991 Disocactus.
Synonyms are the following species and varieties described: Cereus martianus Zucc. (1832 ), Eriocereus martianus Riccob. (1909 ), Aporocactus martianus Britton & Rose (1920), Aporocactus conzattii Britton & Rose (1920), Cereus conzattii ( Britton & Rose) A.Berger (1929) and Aporocactus martianus var conzattii ( Britton & Rose) PVHeath (1992 ).
In the Red List of Threatened Species IUCN is the species as " Near Threatened (NT) ", ie out to be low risk.