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 polyacantha v. erinacea
(including O. polyacantha v. ursina and others)

Refer to the main Opuntia polyacantha page for information about other varieties of this widespread species.

Opuntia polyacantha v. erinacea, near Jean, Nevada, elevation ca. 2,700 ft.	Opuntia polyacantha v. erinacea, near Jean, NV, close-up of plant to left.	Opuntia polyacantha v. erinacea, near Jean, NV, cross-section of stem of plant to left.
Opuntia polyacantha v. erinacea, near Sandy Valley, NV, elevation ca. 2,200 ft.	Habitat of Opuntia polyacantha v. erinacea, near Sandy Valley, NV, elevation ca. 2,200 ft.	Habitat of Opuntia polyacantha v. erinacea, near Sandy Valley, NV, elevation ca. 2,200 ft.
Opuntia polyacantha v. erinacea-like, 10 miles north of Jean, NV, elevation near 4,800 ft. Perhaps horizontal (less vertical) growth is due to elevation/exposure effects, perhaps not.	Close-up, Opuntia polyacantha v. erinacea-like, 10 miles north of Jean, NV, higher elevation ca. 4,800 ft.	View of Las Vegas (strip) in the distance from 10 miles north of Jean, NV, from position of Opuntia described at left, ca. 4,800 ft.
Opuntia polyacantha, with some similarities to var. erinacea, Mt. Charleston, ca. 7,000 elevation.	Opuntia polyacantha, with some similarities to var. erinacea, Mt. Charleston, ca. 7,000 elevation	Opuntia polyacantha, with some similarities to var. erinacea, Mt. Charleston, ca. 7,000 elevation
Opuntia polyacantha, with some similarities to var. erinacea, Mt. Charleston, ca. 7,000 elevation	Opuntia polyacantha, with some similarities to var. erinacea, Mt. Charleston, ca. 7,000 elevation