''Acmispon neomexicanus'' or ''Greene's trefoil'' is a flowering plant in the family

Fabaceae Fabaceae () or Leguminosae,International Code of Nomen ...

that grows exclusively in

Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...

New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...

and northern Mexico.

Description

It is identified by very close hairy leaves and smooth flowers looking like small unclustered mustard yellow sweet peas. The seed pods are a distinct red color with hairs all along, and with an extremely hairy seed pod base.

Habitat

This species grows in the dry shrubland biome.

Conservation status

This species is not under threat.

References

neomexicanus Flora of Mexico Flora of Arizona Flora of New Mexico {{Loteae-stub