Emory Rock Daisy
Perityle emoryi
Observed at South Mountain Park, Maricopa Co., Arizona, USA. April 2010.
ANNUAL or PERENNIAL HERB: A mostly small plant that grows often in steep
rocky places. Some woody tissue may be present at the crown, but otherwise the
plant is fleshy-herbaceous.
FLOWERS: Short white rays surrounding bright yellow disc on daisies that
are usually less than 2 cm diameter.
Flowering mostly March to May.
RANGE: In Arizona Upper & Lower Sonoran Desert generally on rocky
slopes and below cliff faces. May become more abundant and conspicuous in wet
years. Blooming mostly in spring but also sporadically throughout year.
FRUIT: A dark flattened seed with a weak crown of a few scales or a
bristle.
UNARMED: No thorns or spines.