Page 21: 1,549 results for Oenothera
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Cucumis myriocarpus (paddy melon)
...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ...
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Sinapis alba (white charlock)
...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ...
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Paeonia officinalis (common peony)
...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ...
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Thaspium trifoliatum (purple meadow-parsnip)
...(Oenothera): NA. Petal and sepal arrangement: the flower includes two cycles of petal- or sepal-like structures. ...
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Galium tricornutum (rough-fruited bedstraw)
...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ...
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Mertensia virginica (eastern bluebells)
...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ...
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Lepidium didymum (lesser swine-cress)
...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ...
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Ranunculus micranthus (small-flowered crowfoot)
...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ...
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Vicia hirsuta (tiny vetch)
...(Oenothera): NA. Petal base: the petal narrows abruptly at the base. Teeth per side of leaf blade:...
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Persicaria nepalensis (Nepalese smartweed)
...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ...