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Sida spinosa (prickly fanpetals)
... 20.0 mm–40.0 mm. Growth form: the plant is an herb (it has self-supporting stems). Plant color: ...
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Potamogeton gramineus (grassy pondweed)
...(if 2 or more) the carpels are not fused to one another. Stipules fused around stem: the stipules form a completely closed tube around the stem. ...
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Scrophularia nodosa (woodland figwort)
...mm–120.0 mm. Hair between stem nodes: the stem has no hairs between the nodes. Flower description: ...
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Commelina communis (Asiatic dayflower)
... 2.0 NA–2.0 NA. Hairs on underside of leaf blade: the underside of the leaf is not hairy, or has very few hairs. ...
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Eupatorium altissimum (tall thoroughwort)
... 2.0 mm–3.0 mm. Disk flower color: white. Flower head profile: the disk is flat or ...
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Argentina anserina (common silverweed)
...mm–2.5 mm. Fusion of sepals and petals: both the petals and sepals are separate and not fused. Tendrils: ...
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Rhododendron catawbiense (Catawba rosebay)
...sepals 2–6 mm long, and corolla usually largely white or pale pink (vs. R. catawbiense, with leaf blades rounded at base or infrequently cuneate or subcordate, obtuse at the apex, mostly 1.5–2.5 times...
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Hieracium kalmii (Canada hawkweed)
...12.0 NA–21.0 NA. Leaf blade base: the leaf has no petiole and at the base it clasps the stem, or goes all the way around the stem so the stem ...
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Carex argyrantha (silvery-flowered sedge)
... 2.0 mm–5.0 mm. Pollen-producing spike number: 0.0 NA–0.0 NA. Perigynium width: 1.9 mm–2.3 ...
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Rubus occidentalis (black raspberry)
...(if 2 or more) the carpels are not fused to one another. Collateral buds: there are no collateral buds on the sides of the branches. ...