Hartweg Evening Primrose

Hartweg Evening Primrose
Latin: Calylophus hartwegii (Oenothera greggii)

Family: Evening primrose (Onagraceae)

Size: 6 in.

Date: 5/02/2001

Other names:

Notes: Buds are reddish with green stripes. Gray-green foliage. 4 species of Calylophus in Arizona; 21 species of Oenothera in Arizona

This plant is found on the Appleton-Whittell Research Ranch Working Check list of flora.