Cyperus dipsaceus

A plant of oak savannah in southeastern Arizona, also sporadically occurring in New Mexico. Much like Cyperus fendlerianus but with a diffuse, long-rayed inflorescence.

Inflorescence near Herb Martyr in the Chiricahua Mountains, 9/4/06.

Closer view of spikelets near Herb Martyr, 9/4/06.