Pachycereus marginatus

Pachycereus marginatus

Pachycereus marginatus is a species of the genus Pachycereus in the cactus family ( Cactaceae ). Spanish common names are " Chilayo " and " Órgano ". The specific epithet marginatus means provided with a rim, rimmed '.

Description

Pachycereus marginatus growing tree structure with single or rarely branching, upright, columnar stems and reaches diameters from 8 to 20 centimeters plant height 3-4 meters. There are four to seven prominent, broad ribs available. The present thereon large areolae flow together later. The one to three yellowish to gray central spines are 1 to 1.5 inches long. The five to nine spines are 2-4 millimeters long. The located near the shoot tips flowerable areolae are covered with numerous up to 2 centimeters long bristles.

The funnel-shaped, reddish flowers have a length of 3 to 4 centimeters. Your Perikarpell and the corolla tube are occupied with scales that bear wool and bristles in their axils. The spherical fruits are more or less dry. You can reach diameters of up to 4 inches and are filled with gently sloping spines and wool.

Distribution, systematics and hazard

Pachycereus marginatus is common in the Mexican states of Hidalgo, México, Guanajuato, Queretaro, Morelos, Puebla, Oaxaca, Colima, Michoacán and Guerrero. The first description as Cereus marginatus was in 1828 by Augustin- de Candolle Pyrame. Nathaniel Lord Britton and Joseph Nelson Rose they put 1909 in the genus Pachycereus.

In the Red List of Threatened Species IUCN is the species as "Data Deficient ( DD)", ie out with no sufficient data.

Evidence