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Onagraceae A.L. de Jussieu. Common name: Evening-primrose Family.

Key to Onagraceae

A family of about 22 genera and 664 (803 "finest level taxa") species, herbs, shrubs, and rarely trees, cosmopolitan (especially of temperate and subtropical America).

References: Crisci et al. (1990); Munz (1965); Overson et al. (2023); Wagner & Hoch (2021) In Flora of North America Editorial Committee (2021); Wagner, Hoch, & Raven (2007). Show full citations.

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Hover over a shape, letter, icon, or arrow on the map for definition or see the legend. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.

image of plant© Gary P. Fleming | Oenothera | Original Image ⭷
image of plant© Alan M. Cressler | Circaea | Original Image ⭷
image of plant© Erik Danielson | Epilobium source | Original Image ⭷
image of plant© Bruce A. Sorrie | Ludwigia | Original Image ⭷
image of plant© Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist | Oenothera source | Original Image ⭷ Warning: was NOT research grade.
image of plant© Gary P. Fleming | Ludwigia | Original Image ⭷
image of plant© Gary P. Fleming | Epilobium | Original Image ⭷
image of plant© Emily Oglesby | Ludwigia | Original Image ⭷
image of plant© Richard & Teresa Ware | Oenothera CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Aidan Campos | Oenothera source | Original Image ⭷
image of plant© Gary P. Fleming | Ludwigia | Original Image ⭷
image of plant© Gary P. Fleming | Circaea | Original Image ⭷
image of plant© J.W. Hardin | Chamaenerion angustifolium ssp. circumvagum | Original Image ⭷

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