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Nicotiana quadrivalvis (Indian tobacco)
... 1.0 None–1.0 None. Stipule features: NA. Sepal and petal color: the sepals are dif...
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Penstemon barbatus (beard-lip beardtongue)
...mm–152.0 mm. Leaves per node: there are two leaves per node along the stem. Leaf blade base: the le...
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Crataegus populnea (poplar hawthorn)
...with 12-20 stamens (vs. C. populnea, with leaf blades sparsely to moderately pubescent during flowering and flowers with 5-10 stamens).: Crataegus pruinosa flowers wit...
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Artemisia carruthii (Carruth's wormwood)
... 11-20. Bracts: there are at least two distinct forms of bracts in different cycles. Leaf tip extension: ...
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Cardamine dentata (white cuckoo bitter-cress)
... 14.0 mm–32.0 mm. Sap: the sap is clear and watery. Number of pistils: 1. ...
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Echium plantagineum (plantain viper's-bugloss)
... 1.0 None–1.0 None. Stipule features: NA. Sepal and petal color: the sepals are dif...
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Crepis setosa (bristly hawk's-beard)
... 11-15. Leaf blade base: the leaf has a distinct petiole. Ovary beak length: 1.0 mm–2.0 ...
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Spiranthes vernalis (spring ladies'-tresses)
... 1.3 NA–2.1 NA. Sepal length: 6.0 mm–10.0 mm. Leaf blade tip: the tip of the leaf blade i...
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Parthenocissus tricuspidata (Boston-ivy)
...mm–160.0 mm. Twig winter color: gray. Short shoots: there are no peg- or knob-like shoots present. ...
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Agropyron cristatum (crested wheat grass)
...cm–110.0 cm. Inflorescence length: 10.0 mm–60.0 mm. Inflorescence axis hairs: the inflorescence axis is h...