Trixis californica Kellogg

An unusual asterid shrub common in washes in the Sonoran Desert, less common in the Chihuahuan.

A pseudanthium in Kings Canyon in the Tucson Mountains, Pima County, Arizona, 20 Feb 2004.

Plant habit in Kings Canyon, 20 Feb 2004.

A pseudanthium at Mars Canyon, southwestern Organ Mountains, Doña Ana County, New Mexico, 23 Sep 2006.

Immature pseudanthia, showing phyllaries, at Mars Canyon, 23 Sep 2006.

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