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Sagittaria cuneata (northern arrowhead)
... 15.0 mm–110.0 mm. Petal length: 7.0 mm–10.0 mm. Leaf blade base shape: the base of the l...
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Lepidium virginicum (poor-man's pepperweed)
...mm–1.2 mm. Leaf blade length: 10.0 mm–150.0 mm. Calyx symmetry: there are two or more ways to evenly divi...
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Hypericum canadense (lesser St. John's-wort)
...mostly 1-4 mm wide, with 1 or 3 nerves, and narrow-tapering at base).: Hypericum majus capsule rounded at apex and sepals broadest near middle (vs. H. canadense, with ...
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Mirabilis jalapa (four o'clock umbrella-wort)
... 1.0 mm–2.0 mm. Petal length relative to sepals: NA. Number of styles: 1.0 None–1.0 ...
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Chimaphila maculata (pipsissewa, spotted wintergreen)
... 1.0 None–1.0 None. Sepal auricles: the sepals have no auricles. Twig bloom: there ...
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Berteroa incana (hoary false alyssum)
... 1.6 NA–1.8 NA. Calyx symmetry: there are two or more ways to evenly divide the calyx (the calyx is radially symmetrical). ...
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Persicaria coccinea (scarlet smartweed)
... 1.0 None–1.0 None. Bracteoles: the plant has bracteoles between the primary bracts and the flowers. Raceme a...
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Aureolaria flava (smooth false foxglove)
... 1.0 None–1.0 None. Growth form: the plant is an herb (it has self-supporting stems). Floral bracts: ...
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Geranium carolinianum (Carolina crane's-bill)
... 15.0 mm–19.0 mm. Flower description: the flower has a superior ovary, and lacks a hypanthium. Glands on leaf...
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Raphanus raphanistrum (wild radish)
... 1. Fruit length: 16.0 mm–141.5 mm. Ovary stipe: the ovary or fruit does not have a stipe. ...