Home > Science > Biology > Flora and Fauna > Plantae > Magnoliophyta > Magnoliopsida > Cactaceae > Opuntia
http://www.desertusa.com/mag99/may/papr/chollas.html
Cholla is a name for various shrubby cacti of this genus with cylindrical stems composed of segmented joints. Photographs and information on several species.
http://bioweb.uwlax.edu/bio203/2010/osterbri_sara/
Student project including classification, habitat, adaptation, nutrition, reproduction and interactions with other species.
http://www.desertmuseum.org/books/opuntia.html
Description of the genus and its species in the Sonoran Desert, Arizona. Includes illustrations.
http://www.microscopy-uk.org.uk/mag/artaug06/rb-qx5.html
Rudolf Baumueller turns his microscope on the cactus, Opuntia, and produces a photographic study of the plant.
http://www.desert-tropicals.com/Plants/Cactaceae/Opuntia.html
Images and brief information on many species.
http://groups.yahoo.com/group/Opuntia/
E-mail group for anyone interested in the propagation of cacti, especially the genus Opuntia.
http://www.cactus-mall.com/pictures/opuntia.html
Images of O. weberi and O. bigelowii.
http://nmrareplants.unm.edu/rarelist_single.php?SpeciesID=122
Image, description, and range of this rare plant in New Mexico.
http://www.desertusa.com/april96/du_beavtail.html
Description of the Beavertail Cactus and information on its habitat and range, with several photographs.
http://www.biology.ed.ac.uk/research/groups/jdeacon/desertecology/choimag2.htm#top
Information and photographs of the Chain Link Cholla growing in the desert regions of Baja California.
http://www.ecosystema.ru/08nature/world/52ten/031e.htm
Photograph of a fine plant in Tenerife, laden with fruit.
http://www.dipbot.unict.it/orto/0116-1.html
image
http://florawww.eeb.uconn.edu/198502292.html
General information and classification.
http://www.desertusa.com/mag98/may/papr/du_chaincholla.html
All about the Chain Fruit Cholla, description, photograph, range, habitat and scientific and common names.
http://www.fs.fed.us/database/feis/plants/cactus/opuhum/all.html
Species summary from the USDA Forest Service.
http://www.desertusa.com/mag98/dec/papr/xmascactus.html
Photograph and description of the Desert Christmas Cactus and information on its habitat and range.
http://www.naturesongs.com/vvplants/christmascactus.html
Images from Arizona.
http://www.dipbot.unict.it/orto/1053-1.html
image
http://florawww.eeb.uconn.edu/198502330.html
General information and classification.
http://www.naturesongs.com/vvplants/desertpricklypear.html
Images from Arizona.
http://www.fs.fed.us/database/feis/plants/cactus/opupol/all.html
Species summary from the USDA Forest Service.
http://www.dipbot.unict.it/orto/0118-1.html
image
http://www.dipbot.unict.it/orto/0119-1.html
image
http://www.sms.si.edu/irlspec/Opuntia_stricta.htm
Taxonomy, description and photograph of this prickly pear growing in Florida.
http://www.dipbot.unict.it/orto/0120-1.html
image
http://nmrareplants.unm.edu/rarelist_single.php?SpeciesID=61
Description, image, and range of this rare plant in New Mexico.
http://www.desertusa.com/magoct97/oct_pa/du_prkpear.html
Information on these cacti with photographs and descriptions of several species found in Arizona.
Home > Science > Biology > Flora and Fauna > Plantae > Magnoliophyta > Magnoliopsida > Cactaceae > Opuntia
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us