Calliandra humilis Benth. var. humilis

A low-growing, herbaceous Calliandra found in the U.S. throughout much of Arizona, in southwestern New Mexico, and western Texas. Variety humilis differs from var. reticulata in having bipinnately rather than pinnately compound leaves.

Flowers north of Silver City in Grant County, New Mexico, 12 Sep 2009.

Immature fruits along New Mexico highway 15 in the Pinos Altos Range, Grant County, New Mexico, 20 Sep 2009.

Leaves along NM highway 15, 20 Sep 2009.

Plant habit north of Silver City, 12 Sep 2009. This and the following two photographs were taken at dusk, with the leaves beginning to fold up for the night.

Base of a leaf north of Silver City, 12 Sep 2009.

Immature fruits north of Silver City, 12 Sep 2009.