Marginatocereus marginatus
Marginatocereus marginatus is a species of plant in the family Cactaceae. It is sometimes called Mexican fencepost cactus.
Description
It has tree-shaped columnar trunks that grow slowly to and may reach in height, rarely branching. Stems are in diameter, with ribs. Its central spine is about in diameter with five to 9 radials and slightly yellowish in color. The five to nine marginal spines are 2 to 4 millimeters long. The large areoles on it later merge. The flowering areoles located near the shoot tips are covered with numerous bristles up to 2 centimeters long.The funnel-shaped, reddish flowers are 3 to 4 centimeters long. Their pericarpel and floral tube are covered with scales that carry wool and bristles in their axils. The spherical fruits are more or less dry. They reach a diameter of up to 4 centimeters and are covered with slightly sloping thorns and wool.
Its cuttings are sometimes used to create fences, as its spines are not as large or dangerous as some cacti.