Cholla Cactus: Genus Opuntia
Cholla is a name for various shrubby cacti of this genus with cylindrical stems composed of segmented joints. Photographs and information on several species.
Eastern Prickly Pear Cactus: Opuntia humifusa
Student project including classification, habitat, adaptation, nutrition, reproduction and interactions with other species.
Genus Opuntia
Description of the genus and its species in the Sonoran Desert, Arizona. Includes illustrations.
Looking at a Cactus with the QX5 Microscope
Rudolf Baumueller turns his microscope on the cactus, Opuntia, and produces a photographic study of the plant.
Opuntia
Images and brief information on many species.
Opuntia
E-mail group for anyone interested in the propagation of cacti, especially the genus Opuntia.
Opuntia
Images of O. weberi and O. bigelowii.
Opuntia arenaria - Dune Pricklypear
Image, description, and range of this rare plant in New Mexico.
Opuntia basilaris
Description of the Beavertail Cactus and information on its habitat and range, with several photographs.
Opuntia cholla
Information and photographs of the Chain Link Cholla growing in the desert regions of Baja California.
Opuntia dillenii
Photograph of a fine plant in Tenerife, laden with fruit.
Opuntia fragilis
General information and classification.
Opuntia fulgida
All about the Chain Fruit Cholla, description, photograph, range, habitat and scientific and common names.
Opuntia humifusa
Species summary from the USDA Forest Service.
Opuntia leptocaulis
Photograph and description of the Desert Christmas Cactus and information on its habitat and range.
Opuntia microdasys
General information and classification.
Opuntia polycantha
Species summary from the USDA Forest Service.
Opuntia stricta
Taxonomy, description and photograph of this prickly pear growing in Florida.
Opuntia viridiflora - Santa Fe Cholla
Description, image, and range of this rare plant in New Mexico.
Prickly Pear Cactus
Information on these cacti with photographs and descriptions of several species found in Arizona.
[Saguaro Cactus Mozilla]
Last update:
March 24, 2016 at 22:24:07 UTC
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