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|Family: Cactaceae||View Description||Dichotomous Key|
|Genus: Opuntia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Opuntia engelmannii Salm-Dyck ex Engelm. var. engelmannii
Habit: Shrub, mound-forming. Stem: generally < 1 m; proximal branches generally decumbent, distal spreading to ascending; segments 15--25 cm, generally obovate; gray-green, glabrous. Spines: 3--12 in all areoles, longest 4--5 cm, straight, spreading from areole, +- appressed to stem, +- flat, yellow, coated chalky-white, base often red-brown. Flower: inner perianth 4--5 cm, yellow; filaments white; style white, stigma yellow-green to green. Fruit: 4--6.5 cm, juicy, red-purple throughout; areoles 20--32. Seed: 4--6 mm. Chromosomes: 2n=66.
Ecology: Desert scrub, dry oak woodland; Elevation: 900--1500 m. Bioregional Distribution: SnJt, e PR, DMtns; Distribution Outside California: to Nevada, Texas, Mexico. Flowering Time: Mar--May Note: Hybridizes with Opuntia phaeacantha.
eFlora Treatment Author: Bruce D. Parfitt
Jepson Online Interchange
Previous taxon: Opuntia chlorotica
Next taxon: Opuntia ficus-indica
Citation for this treatment: Bruce D. Parfitt 2016. Opuntia engelmannii var. engelmannii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=62563, accessed on December 09, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 09, 2016.