|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Onagraceae||View Description||Dichotomous Key|
|Genus: Oenothera||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Oenothera californica (S. Watson) S. Watson
Habit: Perennial herb, rosetted when young, glabrous to densely minutely strigose, also sometimes with longer, spreading hairs; roots generally not fleshy, generally new shoots from laterals. Stem: decumbent or ascending, 1--8 dm, peeling. Leaf: cauline 1--6 cm, lanceolate to deltate-ovate, entire to pinnately lobed. Inflorescence: flowers in distal axils; buds nodding. Flower: hypanthium 20--40 mm; sepals 15--30 mm, free tips in bud 0 or < 1 mm; petals 15--35 mm, white fading pink. Fruit: 2--3 mm wide, cylindric, straight or curved. Seed: in 1 row per chamber, 1.4--3 mm, obovate, smooth. Chromosomes: 2n=14,28.
eFlora Treatment Author: Warren L. Wagner & Peter C. Hoch, family description, key to genera; treatment of genera by Warren L. Wagner
Jepson Online Interchange
Previous taxon: Oenothera biennis
Next taxon: Oenothera californica subsp. avita
Citation for this treatment: Warren L. Wagner & Peter C. Hoch, family description, key to genera; treatment of genera by Warren L. Wagner 2016. Oenothera californica, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=34979, accessed on May 30, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 30, 2016.