NEON Biorepository Data Portal

Oenothera
Family: Onagraceae Max Licher	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 Images not available Map not Available Oenothera affinis Images not available Map not Available Oenothera albicaulis Map not Available Oenothera angustissima Images not available Map not Available Oenothera argillicola Images not available Map not Available Oenothera arida Images not available Map not Available Oenothera arizonica Map not Available Oenothera avita Images not available Map not Available Oenothera berlandieri Images not available Map not Available Oenothera biennis Map not Available Oenothera boquillensis Images not available Map not Available Oenothera brachycarpa Map not Available Oenothera calcicola Images not available Map not Available Oenothera californica Map not Available Oenothera canescens Images not available Map not Available Oenothera canovirens Images not available Map not Available Oenothera cavernae Images not available Map not Available Oenothera cespitosa Map not Available Oenothera cinerea Images not available Map not Available Oenothera clelandii Map not Available Oenothera coloradensis Images not available Map not Available Oenothera cordata Images not available Map not Available Oenothera coronopifolia Map not Available Oenothera coryi Images not available Map not Available Oenothera cruciata Images not available Map not Available Oenothera curtiflora Map not Available Oenothera curtissii Images not available Map not Available Oenothera deltoides Map not Available Oenothera demareei Images not available Map not Available Oenothera depressa Images not available Map not Available Oenothera drummondii Images not available Map not Available Oenothera elata Map not Available Oenothera engelmannii Images not available Map not Available Oenothera falfurriae Images not available Map not Available Oenothera filiformis Images not available Map not Available Oenothera filipes Map not Available Oenothera flava Map not Available Oenothera fruticosa Images not available Map not Available Oenothera gaura Map not Available Oenothera glazioviana Images not available Map not Available Oenothera grandiflora Images not available Map not Available Oenothera grandis Images not available Map not Available Oenothera harringtonii Map not Available Oenothera hartwegii Images not available Map not Available Oenothera havardii Images not available Map not Available Oenothera heterophylla Images not available Map not Available Oenothera hexandra Images not available Map not Available Oenothera hispida Images not available Map not Available Oenothera hookeri Images not available Map not Available Oenothera howardii Images not available Map not Available