W.L. Wagner & Hoch ssp. peirsonii (Munz) W.L. Wagner
& Hoch
Pronunciation: chy-LIS-mee-a kla-vi-FOR-mis PEER-
son-ee-eye
Common name: Peirson's brown-eyed primrose
Family: Onagraceae (Evening primrose)
Habitat: Creosote bush scrub, Salton Sea to Imperial
and east San Diego County, Anza-Borrego
Blooming period: March to May
Click for Latin name derivations: 1) Chylismia
2) claviformis 3) peirsonii
NOTE: The petals are usually yellow but occasionally
populations of white-petalled ones are found. Conspic-
uous sepal tips in bud are a reliable diagnostic feature.