Vascular Plants of the Gila Wilderness

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

Robinia neomexicana Gray var. rusbyi (Wooton & Standley) Martin & Hutchins ex Peabody
(New Mexico Locust, Rusby's Locust)


Family: Fabaceae

Status: Native

Synonyms:
Robinia rusbyi Wooton & Standley

Robinia neomexicana var. rusbyi is a large shrub or tree whose branches are armed with paired curved spines. The leaflets are ovate and sometimes mucronate (they have a small needle tip.) The flowers are pinkish and in racemes. New branch growth is reddish before turning gray. Robinia neomexicana var. rusbyi is found in canyons at middle elevation.
Please click on an image for a larger file.



Robinia neomexicana var. rusbyi, photo Russ Kleinman, Burro Mtns., Knight Mtn., May 9, 2007



Robinia neomexicana var. rusbyi, glabrous fruit, photo Russ Kleinman, Pinos Altos Range, Signal Peak, July 15, 2008



Robinia neomexicana var. rusbyi, raceme of flowers, photo Russ Kleinman, Pinos Altos Range, Little Cherry Creek Ranch Road, May 30, 2009



Robinia neomexicana var. rusbyi, closeup of flowers, photo Russ Kleinman, Pinos Altos Range, Little Cherry Creek Ranch Road, May 30, 2009



Robinia neomexicana var. rusbyi, lateral view of flower, photo Russ Kleinman, Pinos Altos Range, Little Cherry Creek Ranch Road, May 30, 2009



Robinia neomexicana var. rusbyi, pollinator, photo Russ Kleinman, Pinos Altos Range, Little Cherry Creek Ranch Road, May 30, 2009



Robinia neomexicana var. rusbyi, winter twig, photo Russ Kleinman, Pinos Altos Range, near McMillen campground on Hwy 15, December 28, 2009



Robinia neomexicana var. rusbyi, leaf scar on winter twig, photo Russ Kleinman, Pinos Altos Range, near McMillen campground on Hwy 15, December 28, 2009



Robinia neomexicana var. rusbyi, leaf scar on winter twig, photo Russ Kleinman, Pinos Altos Range, near McMillen campground on Hwy 15, December 28, 2009



Robinia neomexicana var. rusbyi, legume, photo Russ Kleinman & Richard Felger, Pinos Altos Range, Little Cherry Creek Ranch Road, October 2, 2010



Robinia neomexicana var. rusbyi, legumes, photo Russ Kleinman & Richard Felger, Pinos Altos Range, Little Cherry Creek Ranch Road, October 2, 2010



Robinia neomexicana var. rusbyi, closeup of legume surface, photo Russ Kleinman & Richard Felger, Pinos Altos Range, Little Cherry Creek Ranch Road, October 2, 2010


Back to the Index