Spermatophyta: Dicotyledonae: Archichlamydeae: Myrtales

Onagraceae - Evening primrose family

Raven, P.H. (1978) Onagraceae Flora Zambesiaca 4

Description of the family

Herbs, sometimes ± woody at the base, or shrubs. Stipules minute or 0. Leaves alternate or opposite, rarely whorled, simple, entire, lobed or pinnatifid. Flowers bisexual or (rarely) unisexual, actinomorphic, 4- or 5-merous (rarely 2-, 3- or 6-merous). A long hypanthium usually present (not in Ludwigia). Petals free, sometimes 0. Stamens usually twice as many as the sepals in 2 whorls. Ovary inferior. Style single, stigma variously shaped. Fruit usually a loculicidally or irregularly dehiscent capsule, 1-many-seeded.

Worldwide: 18 genera and 650 species, cosmopolitan, especially tropical and warm America.

Botswana: 3 genera and 12 taxa.

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Links to genera:     View: living plant images - herbarium specimen images - all images for this family

Epilobium L.Description
Ludwigia L.Description
Oenothera L.Description

Other sources of information about Onagraceae:

Our websites:

Flora of Caprivi: Onagraceae
Flora of Caprivi: cultivated Onagraceae
Flora of Malawi: Onagraceae
Flora of Mozambique: Onagraceae
Flora of Zambia: Onagraceae
Flora of Zimbabwe: Onagraceae
Flora of Zimbabwe: cultivated Onagraceae

External websites:

African Plants: A Photo Guide (Senckenberg): Onagraceae
BHL (Biodiversity Heritage Library): Onagraceae
EOL (Encyclopedia of Life): Onagraceae
GBIF (Global Biodiversity Information Facility): Onagraceae
Google: Web - Images - Scholar
iNaturalist: Onagraceae
IPNI (International Plant Names Index): Onagraceae
JSTOR Plant Science: Onagraceae
Mansfeld World Database of Agricultural and Horticultural Crops: Onagraceae
Wikipedia: Onagraceae
Plants of the World Online: Onagraceae
Tropicos: Onagraceae

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Botswana: Family page: Onagraceae.
https://www.botswanaflora.com/speciesdata/family.php?family_id=158, retrieved 25 May 2024

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