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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 arborescens (A. Gray) Barneby
Habit: Shrub < 1 m, armed or not, glabrous to +- puberulent. Leaf: leaflets generally 5--7, 3--14 mm, terminal (occasionally all) often continuous with axis. Inflorescence: raceme, open; pedicel bractlets 2. Flower: calyx lobes +- equal, generally < tube; corolla 6--10 mm, indigo-blue to violet-purple, glands 0. Fruit: exserted, 7--10 mm, ovoid-ellipsoid, hairs 0 to fine, glands few to several, scattered, large, +- yellow.
Note: Possibly best united with Psorothamnus fremontii; varieties similar morphologically, distinct geographically.
eFlora Treatment Author: Martin F. Wojciechowski & Duane Isely
Jepson Online Interchange
Previous taxon: Psorothamnus
Next taxon: Psorothamnus arborescens var. arborescens
Citation for this treatment: Martin F. Wojciechowski & Duane Isely 2016. Psorothamnus arborescens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=40159, accessed on May 29, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 29, 2016.