Centaurium arizonicum

A plant of moist soil at lower elevations, found throughout sporadically throughout much of the southwest.

Flowers, on the edge of the Tornillo Creek floodplain near Hot Springs, Big Bend National Park, 15 Apr 2007.

Cauline leaves on the edge of the Tornillo Creek floodplain, 15 Apr 2007.

Basal leaves on the edge of the Tornillo Creek floodplain, 15 Apr 2007.