Psorothamnus spinosus (A.Gray) Barneby

Smoke Tree
Fabaceae - Fabales

[Plants of San Diego County HOME]

Protologue: Mem. New York Bot. Gard. 27: 25 (1977)
Pronunciation: Pso-ro-thám-nus spi-nò-sus
Etymology: Gr. psoros, mangy, scabby + L. for thorny (and these are actually thorns, not spines)

Jepson eFlora Treatment

Jepson eFlora Key to Psorothamnus

SD County Synoptic Voucher


Distribution:
 
Left: S.D. County Plant Atlas (http://sdplantatlas.org). Right: CCH2. Click to see current herbarium records.  

 
Psorothamnus spinosus
A tree in a desert wash. Does it look like smoke from a distance? Twigs are thorn-tipped.

 

Psorothamnus spinosus
In flower in May. Note prominent orange glands on calyx, bright orange anthers.