|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 laciniata Hill
Habit: Annual, short-lived perennial herb, rosetted, minutely strigose; hairs distally generally also long, spreading, and glandular. Stem: decumbent to erect, 0.5--5 dm. Leaf: cauline 2--10 cm, narrowly oblanceolate to +- elliptic or oblong, +- entire to pinnately lobed. Inflorescence: flowers in distal axils; buds curved upward. Flower: hypanthium 12--35 mm; sepals 5--15 mm, free tips in bud 0.3--3 mm; petals 5--22 mm, yellow fading orange. Fruit: 20--50 mm, 2--4 mm wide, cylindric. Seed: 1--1.8 mm, +- spheric or widely elliptic, pitted. Chromosomes: 2n=14.
Ecology: Open, generally sandy, disturbed places; Elevation: generally < 500 m. Bioregional Distribution: CW, SW, DMoj; Distribution Outside California: native to eastern United States; widely naturalized, but occurrences scattered. Flowering Time: May--Jul Note: Self-pollinated. Permanent translocation heterozygote.
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 glazioviana
Next taxon: Oenothera longissima
Citation for this treatment: Warren L. Wagner & Peter C. Hoch, family description, key to genera; treatment of genera by Warren L. Wagner 2017. Oenothera laciniata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=35016, accessed on January 22, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 22, 2017.