Page 67: 1,549 results for Oenothera
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                                  Abutilon pictum (painted Indian-mallow)...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ... 
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                                  Lythrum lineare (saltmarsh loosestrife)...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Bracteole number (Apiaceae): ... 
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                                  Pinguicula vulgaris (violet butterwort)...(Oenothera): NA. Horns in hoods (Asclepias): NA. Bracteole number (Apiaceae): 0.0 ... 
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                                  Chenopodium leptophyllum (narrow-leaved goosefoot)...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ... 
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                                  Lepidium ruderale (stinking pepperweed)...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ... 
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                                  Polemonium caeruleum (blue Jacob's-ladder)...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ... 
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                                  Petroselinum crispum (parsley)...(Oenothera): NA. Leaf blade base: the leaf has a distinct leaf stalk (petiole). Epicalyx: ... 
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                                  Draba cana (canescent whitlow-mustard)...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ... 
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                                  Diodia teres (rough buttonweed)...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ... 
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                                  Citrullus lanatus (watermelon)...(Oenothera): NA. Nectar spur: the flower has no nectar spurs. Horns in hoods (Asclepias): ...