Psorothamnus arborescens (Torr. ex A. Gray) Barneby  
Family: Fabaceae
Mojave indigobush,  more...
Psorothamnus arborescens image
Liz Makings  
PLANT : Shrubs, glabrous to pubescent, to 0.3–1.0 m tall. LEAVES : pinnately compound, 1.8–6.0 cm long; glands inconspicuous. FLOWERS : in a lax, open raceme, 3.0–7.5 cm long; calyx with prominent veins, the teeth 3.7–4.5 mm long, acuminate, longer than the tube. FRUIT : 7–10 mm long, glabrous or finely hairy, sparsely covered with rounded or elliptic glands. NOTES : 4 vars. found in western North America, AZ, CA, NV, UT. REFERENCES : Rhodes, Suzanne, June Beasley and Tina Ayers. 2011. Fabaceae. CANOTIA 7: 1–13.
Plant: Shrub < 1 m, sometimes unarmed, glabrous to puberulent; stem generally intricately branched Leaves: odd-1-pinnate; leaflets generally 5-7, linear to ovate, 3-10 mm, terminal (sometimes all) often continuous with axis INFLORESCENCE: raceme, open; pedicels with bractlets Flowers: calyx 5-9 mm, lobes ± equal, generally < tube; corolla 6-10 mm, violet-purple, petals all arising from receptacle Fruit: exserted, 7-10 mm, glabrous or finely hairy, with large, scattered glands; stamens 10, filaments partly fused; ovules generally 2; Seed 1 Misc: Desert mtns, slopes, canyons, flats, washes; 100-1900 m.
Psorothamnus arborescens image
Gary A. Monroe  
Psorothamnus arborescens image
Gerald and Buff Corsi  
Psorothamnus arborescens image
Gary A. Monroe  
Psorothamnus arborescens image
Tracey Slotta  
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