Vascular Plants of the Gila Wilderness

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

Desmodium arizonicum S. Watson
(Arizona Tick-Trefoil)


Family: Fabaceae

Status: Native

Synonyms:
Meibomia arizonica (S. Watson) Vail

Desmodium arizonicum is an erect herb that is multiply branched at the base from a woody caudex. It is not viny or trailing like most of the other members of the genus in the Gila. It is also perennial, a trait that further distinguishes it apart from D. rosei and D. neomexicanum. D. arizonicum has sessile trifoliolate leaves that have linear or linear lanceolate leaflets. The small, pink papilionaceous flowers and the loments are similar to those of D. rosei and D. neomexicanum. Desmodium arizonicum is found at middle elevation in the mixed conifer forest in moist areas.
Please click on an image for a larger file.



Desmodium arizonicum, photo Russ Kleinman & Karen Blisard, Pinos Altos Range, Sheep Corral Road, July 23, 2015



Desmodium arizonicum, inflorescence, photo Russ Kleinman & Karen Blisard, Pinos Altos Range, Sheep Corral Road, July 23, 2015



Desmodium arizonicum, macro of flower, photo Russ Kleinman & Karen Blisard, Pinos Altos Range, Sheep Corral Road, July 23, 2015



Desmodium arizonicum, macro of loment, photo Russ Kleinman & Karen Blisard, Pinos Altos Range, Sheep Corral Road, July 23, 2015



Desmodium arizonicum, leaf, photo Russ Kleinman & Karen Blisard, Pinos Altos Range, Sheep Corral Road, July 23, 2015



Desmodium arizonicum, woody caudex, photo Russ Kleinman & Karen Blisard, Pinos Altos Range, Sheep Corral Road, July 23, 2015


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