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Oenothera

Oenothera
Family: Onagraceae
Oenothera image
Frankie Coburn
  • Gleason & Cronquist
  • Resources
Vascular plants of NE US and adjacent Canada
Fls 4-merous, solitary in the axils or forming a terminal raceme or spike, commonly vespertine and ephemeral, but matutinal or diurnal and lasting several days in spp. 13-17; hypanthium usually slenderly tubular and prolonged well beyond the ovary (at least 3 mm in all but one of our spp.), deciduous from the fr; sep at first connate, often with terminal or subterminal appendages, splitting at anthesis and reflexed; pet in most of our spp. yellow, in two white or pink, often large and showy; stamens 8, equal or alternately unequal; anthers versatile (sometimes obscurely so in small fls); sporogenous tissue continuous in each microsporangium; ovary 4-locular; ovules numerous; style ±elongate; stigma with 4 slender lobes stigmatic all around; capsule prismatic to terete or winged, linear to ovoid or obovoid, in some spp. deeply sulcate and strongly angled; herbs with alternate, mostly narrow lvs. (Kneiffia, Hartmannia, Lavauxia, Megapterium, Meriolix, Peniophyllum, Raimannia) 80, New World.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Species within checklist: Denver-Boulder Metropolitan Area
Oenothera albicaulis
Media resource of Oenothera albicaulis
Map not
Available
Oenothera biennis
Media resource of Oenothera biennis
Map not
Available
Oenothera brachycarpa
Media resource of Oenothera brachycarpa
Map not
Available
Oenothera canescens
Media resource of Oenothera canescens
Map not
Available
Oenothera cespitosa
Media resource of Oenothera cespitosa
Map not
Available
Oenothera coloradensis
Media resource of Oenothera coloradensis
Map not
Available
Oenothera coronopifolia
Media resource of Oenothera coronopifolia
Map not
Available
Oenothera curtiflora
Media resource of Oenothera curtiflora
Map not
Available
Oenothera filiformis
Media resource of Oenothera filiformis
Map not
Available
Oenothera flava
Media resource of Oenothera flava
Map not
Available
Oenothera harringtonii
Media resource of Oenothera harringtonii
Map not
Available
Oenothera howardii
Media resource of Oenothera howardii
Map not
Available
Oenothera jamesii
Media resource of Oenothera jamesii
Map not
Available
Oenothera latifolia
Media resource of Oenothera latifolia
Map not
Available
Oenothera nuttallii
Media resource of Oenothera nuttallii
Map not
Available
Oenothera pallida
Media resource of Oenothera pallida
Map not
Available
Oenothera serrulata
Media resource of Oenothera serrulata
Map not
Available
Oenothera suffrutescens
Media resource of Oenothera suffrutescens
Map not
Available
Oenothera triloba
Media resource of Oenothera triloba
Map not
Available
Oenothera villosa
Media resource of Oenothera villosa
Map not
Available
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This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

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