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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: Fabaceae (Leguminosae)||View Description||Dichotomous Key|
|Genus: Psorothamnus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Psorothamnus spinosus (A. Gray) Barneby
Habit: Shrub to small tree 1.5--8 m, generally leafless, gray-canescent. Leaf: simple, 0.5--2 cm, oblanceolate, thick, gland-dotted, deciduous by early summer. Inflorescence: generally open, 5--15-flowered; axis ending as thorn; pedicels +- 1 mm, bractlets 2. Flower: calyx 4.5--5 mm, lobes < tube, glands forming lateral ring; corolla 6--8 mm, indigo-blue, glands +- 0. Fruit: >= calyx, plump-obovate, gland-dotted. Chromosomes: 2n=10.
Ecology: Common. Desert washes; Elevation: < 400 m. Bioregional Distribution: D; Distribution Outside California: to central Arizona, northwestern Mexico, Baja California. Flowering Time: Jun--Jul(Oct--Nov)
Synonyms: Dalea spinosa A. Gray
eFlora Treatment Author: Martin F. Wojciechowski & Duane Isely
Jepson Online Interchange
Previous taxon: Psorothamnus schottii
Next taxon: Robinia
Citation for this treatment: Martin F. Wojciechowski & Duane Isely 2017. Psorothamnus spinosus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=40166, accessed on January 18, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 18, 2017.