Phacelia serrata
A rare plant occurring only on cinder cones near Grants Malpais and Sunset Crater.
Plant habit at Lenox Crater in Sunset Crater National Monument, 8/9/06.
A basal rosette at Sunset Crater N.M., 8/9/06.
An inflorescence at Sunset Crater, 8/9/06.
A flower at Sunset Crater, 8/9/06.
Inflorescences at Sunset Crater, 8/9/06.