Heterotheca rutteri

Rutter's Goldenaster

Heterotheca rutteri (Rothr. in Wheeler) Shinners is a very rare species native to a small area in southern Arizona.  It has silvery white leaves due to the high density of long strigose hairs.  The heads are large and showy.

Heterotheca rutteri fig-31 semple 1996

Last revised 21 April 2025 by J.C. Semple

© 2025 J.C. Semple, including all photographs unless otherwise indicated

1-4. Heterotheca rutteri, Semple & Chmielewski 9030, Santa Cruz Co., Arizona. 1. Shoots. Upper stem leaves. 3. Inflorescence. 4. Heads, herbarium specimen.