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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.
<< 1 - 50 taxa >>
Oenothera acutissima
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Oenothera affinis
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Oenothera albicaulis
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Oenothera angustissima
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Oenothera argillicola
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Oenothera arida
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Oenothera arizonica
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Oenothera avita
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Oenothera berlandieri
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Oenothera biennis
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Oenothera boquillensis
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Oenothera brachycarpa
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Oenothera calcicola
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Oenothera californica
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Oenothera canescens
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Oenothera canovirens
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Oenothera cavernae
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Oenothera cespitosa
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Oenothera cinerea
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Oenothera clelandii
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Oenothera coloradensis
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Oenothera cordata
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Oenothera coronopifolia
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Oenothera coryi
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Oenothera cruciata
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Oenothera curtiflora
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Oenothera curtissii
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Oenothera deltoides
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Oenothera demareei
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Oenothera depressa
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Oenothera drummondii
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Oenothera elata
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Oenothera engelmannii
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Oenothera falfurriae
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Oenothera filiformis
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Oenothera filipes
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Oenothera flava
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Oenothera fruticosa
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Oenothera gaura
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Oenothera glazioviana
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Oenothera grandiflora
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Oenothera grandis
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Oenothera harringtonii
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Oenothera hartwegii
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Oenothera havardii
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Oenothera heterophylla
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Oenothera hexandra
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Oenothera hispida
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Oenothera hookeri
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Oenothera howardii
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