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Coryphantha ramillosa
Also called Bunched cory cactus, Big Bend Cory Cactus, Bunch Cory Cactus
Whiskerbush is a small, clustering desert cactus native to the Texas and Coahuila border region, grown mainly by specialist collectors. Its key to success is full sun, very sparing water, and sharp drainage.
Coryphantha ramillosa is a rare species of cactus known by the common names bunched cory cactus and whiskerbush. It is native to the border region between Texas in the United States and Coahuila in Mexico. Because it was believed to be rare and threatened by a number of processes, it was federally listed as a threatened species of the United States in 1979.
The range and abundance of this plant are not well known, especially within Mexico, and it may not be as uncommon as was thought in 1979. The cactus occurs in at least seven locations in Texas, several being within the bounds of Big Bend National Park. One of the most recent estimates of abundance in Texas is 5,000 to 10,000 individuals in two counties. The range of appropriate habitat in Mexico covers 2.5 times the amount of land as in Texas. Many of the plants are located in remote areas, which helps protect them from people.
Coryphantha clavata · Coryphantha compacta · Rhinoceros Cactus · Coryphantha delicata · Rhinoceros cactus · Elephant's Tooth · Coryphantha erecta · Coryphantha georgii · Coryphantha jalpanensis · Pelecyphora macromeris · Cactus · Long-tubercle beehive cactus
Text excerpted from the Wikipedia article Coryphantha ramillosa by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
