Page 75: 1,549 results for Oenothera
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Frasera albicaulis (white-stemmed elkweed)
...(Oenothera): NA. Horns in hoods (Asclepias): NA. Bracteole number (Apiaceae): 0.0 ...
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Dipsacus fullonum (fuller's teasel)
...(Oenothera): NA. Flowering stem cross-section: the flowering stem is circular, or with lots of small angles so that it is r...
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Hedeoma pulegioides (American false pennyroyal)
...(Oenothera): NA. prickles on fruits: the fruits do not have thorn-like defensive structures. Leaf ...
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Desmodium glabellum (smooth tick-trefoil)
...(Oenothera): NA. Achene relative orientation: NA. Mericarp length: 3.5 mm–8.5...
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Nuttallanthus canadensis (oldfield-toadflax)
...(Oenothera): NA. Stem roughness between nodes: the stem does not feel rough. Leaf blade veins: ...
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Heracleum maximum (American cow-parsnip)
...(Oenothera): NA. Direction of stem hairs: the hairs are pressed flat against the plant, pointing towards the plant's t...
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Schwalbea americana (chaff-seed)
...(Oenothera): NA. prickles on fruits: the fruits do not have thorn-like defensive structures. Anthe...
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Pycnanthemum tenuifolium (narrow-leaved mountain-mint)
...(Oenothera): NA. Fused stamen clusters: NA. Spines on plant: the plant h...
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Pastinaca sativa (wild parsnip)
...(Oenothera): NA. Stamen number: 5. Leaf form: the leaves are green, with...
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Persicaria careyi (Carey's smartweed)
...(Oenothera): NA. Leaf form: the leaves are green, with an expanded blade and a leaf-like texture. ...