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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Onagraceae||View Description||Dichotomous Key|
|Genus: Oenothera||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Oenothera cespitosa Nutt.
Habit: Perennial herb, rosetted; caudex woody, new shoots generally from lateral roots; hairs glandular and occasionally also coarse and nonglandular. Stem: sprawling, < 2 dm, or +- 0. Leaf: 1.7--36 cm, oblanceolate to narrowly elliptic, generally irregularly dentate to lobed. Inflorescence: flowers in axils. Flower: sepals 16--50 mm, tips in bud not free; petals 16--56 mm, white. Fruit: 4--9 mm wide, cylindric to elliptic-ovate, tubercled. Seed: obovate to +- triangular, papillate or netted, 1 side with a cavity sealed by a depressed, generally splitting membrane. Chromosomes: 2n=14,28.
Note: Cross-pollinated. 5 intergrading subspecies, 2 in California.
Synonyms: Oenothera caespitosa, orth. var.
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 cavernae
Next taxon: Oenothera cespitosa subsp. crinita
Citation for this treatment: Warren L. Wagner & Peter C. Hoch, family description, key to genera; treatment of genera by Warren L. Wagner 2016. Oenothera cespitosa, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=91778, accessed on October 24, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on October 24, 2016.