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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Zygophyllaceae||View Description||Dichotomous Key|
|Genus: Larrea||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Larrea tridentata (DC.) Coville
Leaf: leaflets < 18 mm, < 8.5 mm wide, obliquely lanceolate to curved; awn between leaflets < 2 mm, +- deciduous. Flower: < 2.5 cm wide; sepals ovoid, appressed-hairy; petal claw +- brown; stamens > appendages; ovary hairs dense, straight, stiff, silvery (red-brown in fruit); style 4--6 mm, persistent on young fruit. Fruit: 4.5 mm wide (except hairs), hairs +- 2--4 mm, dense, spreading.
Ecology: Common. Desert scrub; Elevation: < 1000 m. Bioregional Distribution: SNE, D, (uncommon Teh, SnJV, SCo, SnJt); Distribution Outside California: to southwestern Utah, Texas, central Mexico. Flowering Time: Apr--May Note: Closely related to southern South America Larrea divaricata. Clones may live > 11000 years, longest among extant plants; resinous odor characteristic; dominant shrub over vast areas of desert.
Synonyms: Larrea divaricata Cav. subsp. tridentata (DC.) Felger & C.H. Lowe; Larrea tridentata var. arenaria L.D. Benson
eFlora Treatment Author: Duncan M. Porter
Jepson Online Interchange
Previous taxon: Larrea
Next taxon: Tribulus
Citation for this treatment: Duncan M. Porter 2016. Larrea tridentata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=30255, accessed on July 27, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 27, 2016.