Echinomastus erectocentrus
Echinomastus erectocentrus is a flowering plant in the genus Echinomastus from the cactus family ( Cactaceae ). Foreign language common names are " Acuña cactus ", " Needle - Spined Pineapple Cactus ," " Pineapple Cactus", "Purple- Spined Viznagita " and "Red Pineapple Cactus".
Description
Echinomastus erectocentrus grows individually with ovate to somewhat cylindrical, bluish green stems that reach heights of growth 10-37 centimeters in diameters from 7.5 to 12 centimeters. There are 15 to 21 distinct ribs available, which are divided into 6 to 12 millimeters long hump. The 1-4 turning round, straight or slightly curved central spines are yellowish to slightly purple and have a darker tip. They are 1.2 to 3.5 inches long. The highest of them is upward directed, the lowest down. The 11 to 15 something a comb arranged spines are yellowish, straight, round in cross section and 1.2 to 2.5 inches long.
The short funnel-shaped, pink to orange- pink flowers are 2-5 inches long and can reach a diameter from 3.8 to 5 centimeters. The green, dry fruits tear open with a slot and are up to 1 cm long.
Systematics, distribution and hazard
The distribution area of Echinomastus erectocentrus extends from south of the U.S. state of Arizona to the north of the Mexican state of Sonora. The first description was in 1896 as Echinocactus erectocentrus by John Merle Coulter. Nathaniel Lord Britton and Joseph Nelson Rose they put 1922 in the genus Echinomastus. A synonym is Sclerocactus erectocentrus.
Echinomastus erectocentrus be listed in Annex I of the CITES Convention. In the Red List of Threatened Species IUCN, the type is known as " Least Concern ( LC) ," ie, than not led at risk.