2019 Julie Ann Watson 2020 Mitchell Coleman 2015 Ron Vanderhoff 2023 Richard Spjut 2023 Richard Spjut 2021 Mike Russler 2006 J. G. Riend 2009 Stanley Spencer 2023 Ron Vanderhoff 2019 Ron Vanderhoff 2018 Aaron Echols 2016 Yana Marshall 2019 Susan McDougall 2016 Diane Etchison 2015 Wynn Anderson
Oenothera californica is a perennial herb that is native to California, and also found elsewhere in western North America.
[Wikipedia] Distribution, Description, Subspecies: Oenothera californica, known by the common name California evening primrose, is a species of flowering plant in the evening primrose family.
Distribution
The plant is native to regions of southern and western California, the Southwestern United States, and Baja California, Mexico. It is found in desert and chaparral and woodlands habitats.
Desert ecoregions include the Mojave Desert, Sonoran Desert, and Great Basin Desert.
Chaparral and woodlands ecoregion locations include the southern California Coast Ranges, San Francisco Bay Area, Transverse Ranges, Channel Islands, and Peninsular Ranges.
Description
Oenothera californica is a perennial herb producing a spreading or upright stem up to 80 centimetres (31 in) long. Young plants have a basal rosette of leaves, while older ones have leaves along the stem, lance-shaped to nearly oval in shape and up to 6 centimeters long.
Flowers occur in the upper leaf axils, drooping in bud and becoming erect as they bloom. The four petals are white, fading pink, and may exceed 3 centimeters long.
Subspecies
There are currently three subspecies of Oenothera californica:[1]
Oenothera californica ssp. avita W.M.Klein 1962 ? desert regions.[2]
Oenothera californica ssp. californica ? eastern and Southern California[3]
Oenothera californica ssp. eurekensis (Munz & J.C.Roos) W.M.Klein 1962 ? Eureka Dunes evening primrose.[4] (contributed by Mary Ann Machi)
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2019 Julie Ann Watson:!2020 Mitchell Coleman:!2015 Ron Vanderhoff:!2023 Richard Spjut:!2023 Richard Spjut:!2021 Mike Russler:!2006 J. G. Riend:!2009 Stanley Spencer:!2023 Ron Vanderhoff:!2019 Ron Vanderhoff:!2018 Aaron Echols:!2016 Yana Marshall:!2019 Susan McDougall:!2016 Diane Etchison:!2015 Wynn Anderson:!
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Suggested Citation
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2023. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 12/08/2023).