Hardham's evening primrose
Camissoniopsis hardhamiae (P.H.Raven) W.L.Wagner & Hoch

Camissoniopsis hardhamiae is a species of evening primrose in the family Onagraceae, native to California. It is found in chaparral and woodland habitats in San Luis Obispo and Monterey Counties. This annual herb can grow up to half a meter tall, with hairy stems and lance-shaped to narrowly oval leaves up to 12 cm long. It produces nodding yellow flowers and cylindrical seed capsules up to 2.5 cm long.
Description
Camissoniopsis hardhamiae is an annual herb in the evening primrose family, Onagraceae. It is endemic to California, specifically in chaparral and woodland areas of San Luis Obispo and Monterey Counties. The plant features hairy stems that can reach up to 50 cm in height. Its leaves are lanceolate to narrowly oval, with a maximum length of 12 cm. The inflorescence is nodding and bears yellow flowers with petals a few millimeters long. The fruit is a cylindrical capsule, up to 2.5 cm long, containing multiple dark seeds. The species was described in 2007 and named after Hardham.
Other common names
Hardham's evening primrose
Distribution
North America · California
Synonyms
Oenothera hardhamiaeCamissonia hardhamiae