|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 elata Kunth
Habit: Biennial, densely minutely strigose and (especially in inflorescence) glandular; hairs also long, appressed to spreading, sometimes with red, blister-like base. Stem: erect. Leaf: cauline 4--25 cm, oblanceolate to lanceolate or elliptic, generally dentate to +- entire. Inflorescence: spike. Flower: hypanthium 20--48(55) mm; sepals 27--48 mm; petals 25--52 mm, yellow fading red-orange. Fruit: 20--65 mm, 4--7 mm wide, narrowly lanceolate, +- straight. Seed: 1--1.8 mm, angled, irregularly pitted. Chromosomes: 2n=14.
Note: Generally cross-pollinated. 3 subspecies, 2 in California.
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 deltoides subsp. piperi
Next taxon: Oenothera elata subsp. hirsutissima
Citation for this treatment: Warren L. Wagner & Peter C. Hoch, family description, key to genera; treatment of genera by Warren L. Wagner 2016. Oenothera elata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=34993, accessed on August 24, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 24, 2016.