Opuntiads of the USA

(by Joe Shaw and Dave Ferguson)

Mission

Opuntia Species

Opuntia Country No. 1
Opuntia Country No. 2
Opuntia Country No. 3
Opuntia Country No. 4
Opuntia Country No. 5

Opuntia Country with
Daiv Freeman

Opuntia County, Big Bend

World Opuntiads

Peru Cactus Trip

Northern Patagonia Cactus Trip

Northern Patagonia Sights

Notes from the Editors

Culture Notes

Literature

Editorial Board

News

WWW Links

Agave Photos

Opuntia spinosior (Engelmann) F. M. Knuth in C. Backeberg and F. M. Knuth, Kaktus-ABC. 126. 1935 (Cylindropuntia)

This cholla is found across southwest New Mexico and southeast Arizona, extending into Mexico. A description of O. spinosior is provided by the Flora of North America online, "Cylindropuntia spinosior forms hybrids with C. acanthocarpa var. major, C. arbuscula, C. fulgida (see 6. C. ×kelvinensis), C. leptocaulis (see discussion under 3. C. ×tetracantha), and C. versicolor."

Opuntia spinosior, photo by Gary Nored	Opuntia spinosior, photo from Britton and Rose, The Cactaceae, No, 3, 4, 5	Opuntia spinosior, photo provided by USDA
Opuntia spinosior, photo provided by USDA	Opuntia spinosior, photo provided by USDA	Opuntia spinosior, photo provided by USDA
Opuntia spinosior, photo by Craig Howe	Opuntia spinosior, photo by Craig Howe
Opuntia spinosior, photo by Craig Howe	Opuntia spinosior, photo by Christopher Christie (from CalPhotos)