|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Ephedraceae||View Description||Dichotomous Key|
|Genus: Ephedra||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Ephedra californica S. Watson
Stem: 0.3--1.5 m; twig yellow-green, aging gray-brown; uppermost bud narrowed but not thorn-like; pith dark brown. Leaf: 3 per node, 2--6 mm; +- white margins wearing off; base in age recurved, swollen. Pollen Cone: 1--many per node, 6--7.5 mm; bracts 3 per node. Seed Cone: 1--few per node, 4.5--8(10) mm, ovoid, stalk 1--2 mm, straight, basal bracts reduced; distal bracts 3 per node, ovate, free to base, scarious, center orange- or green-yellow, +- thickened, margins entire, translucent, stalk-like base short. Seed: generally 1, < 10 mm, generally > 2 × as long as wide, not beaked, smooth.
Ecology: Scattered in arid grassland, chaparral, creosote-bush scrub; Elevation: 70--1300 m. Bioregional Distribution: s SNF, Teh, w SnJV, SCoR, SW, D; Distribution Outside California: Baja California. Note: Plants of coast ranges, relative to plants of desert, taller, may have different ecological tolerances. Cones present Mar--Apr.
eFlora Treatment Author: Stefanie M. Ickert-Bond
Jepson Online Interchange
Previous taxon: Ephedra aspera
Next taxon: Ephedra foeminea
Citation for this treatment: Stefanie M. Ickert-Bond 2016. Ephedra californica, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=24275, accessed on May 26, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 26, 2016.