Oenothera elata subsp. hookeri

evening-primrose

Evening-primrose

Biennial or short-lived perennial herb, 1 to 6 feet tall
Hooker’s Evening Primrose is very similar to ssp. sutissima. Distinguished by the reddish glandular blister markings on the stems of hookeri.
Thrives in coastal areas and needs very little water
Found in Molate, Flatlands, Diablo, Niles Canyon and Valley sections, also reported in Bay hills section