Vascular Plants of the Gila Wilderness

Presented in Association with the
Western New Mexico University Department of Natural Sciences

Ceanothus greggii Gray var. greggii
(Desert Buckthorn, Desert Buckbrush)

Family: Rhamnaceae

Status: Native

Synonyms:
None

Ceanothus greggii looks similar to Ceanothus fendleri in that it is a shrub with small leaves. The branches on Ceanothus greggii are opposite, while those on Ceanothus fendleri are mostly alternate. Also, the branches of Ceanothus greggii are not armed like those on Ceanothus fendleri. Ceanothus greggii prefers dry slopes in lower to middle elevations, while Ceanothus fendleri is found higher at middle elevations. Finally, Ceanothus greggii blooms in the early spring, while Ceanothus fendleri blooms in mid-summer.
Please click on an image for a larger file.



Ceanothus greggii, photo Russ Kleinman, Burro Mtns., Saddlerock Canyon, Mar. 30, 2008


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Ceanothus greggii, leaves opposite, photo Russ Kleinman, Burro Mtns., Saddlerock Canyon, Mar. 30, 2008



Ceanothus greggii, detail of inflorescence, photo Russ Kleinman, Burro Mtns., Saddlerock Canyon, Mar. 30, 2008


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