Page 81: 1,549 results for Oenothera
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Callitriche palustris (vernal water-starwort)
...(Oenothera): NA. Nectar spur: NA. Nectar spur: the flower has no nectar ...
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Veronica persica (bird's-eye speedwell)
...(Oenothera): NA. Stipule fused to leaf stalk: NA. Specific leaf type: th...
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Lythrum salicaria (purple loosestrife)
...(Oenothera): NA. Leaf tip: the tip of the leaf blade is acute (sharply pointed). Stipule fused to ...
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Viola tricolor (garden violet)
...(Oenothera): NA. Stipule edges: the stipule margins do not have teeth. Plants darken when dry: ...
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Pilea pumila (Canada clearweed)
...(Oenothera): NA. Calyx symmetry: there are two or more ways to evenly divide the calyx (the calyx is radially symmetrical)....
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Valeriana officinalis (common valerian)
...(Oenothera): NA. Leaf form: the leaves are green, with an expanded blade and a leaf-like texture. ...
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Asclepias purpurascens (purple milkweed)
...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ...
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Viola lanceolata (lance-leaved violet)
...(Oenothera): NA. Plants darken when dry: no. Wings on stem: NA. ...
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Stachys palustris (marsh hedge-nettle)
...(Oenothera): NA. Upper lip of bilabiate corolla: the upper lip of the bilabiate corolla has one lobe. ...
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Lycopus virginicus (Virginia water-horehound)
...(Oenothera): NA. Petal tips (Cuscuta): NA. Inflated hairs on leaf: the l...