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Amaranthus caudatus (purple amaranth)
... 1.5 mm–2.5 mm. Reproductive system: each flower has only carpels or only stamens, but both types of flower are present on each plant ...
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Cuscuta polygonorum (smartweed dodder)
...S1), concern (uncertain) (code: C*) Information from Dichotomous Key of Flora Novae Angliae: 11. ...
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Allium cepa (garden onion)
... 1.0 None–1.0 None. Flower shape: the flower is bell-shaped. Underground organs: th...
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Carya glabra (pignut hickory)
...4-13 mm thick (vs. C. glabra, with branchlets slender, mostly 2-4.1 mm thick, and husk 2-5 mm thick).: Carya tomentosa Synonyms: Carya gl...
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Taraxacum laevigatum (red-seeded dandelion)
... 11.0 NA–13.0 NA. Bract tip shape: the tips of the bracts are acuminate (tapered to a narrow point). Spines o...
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Poa secunda (curly blue grass)
... 1.0 NA–None NA. Roots: there are only slender roots on the plant. Leaf blade width: 1.0 ...
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Nicotiana tabacum (cultivated tobacco)
...(1530-1600) who reportedly introduced tobacco-smoking to Europe. The southern Connecticut River valley of New England once had a thriving agricultural industry, producing prized tobacco leaves used i...
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Malus prunifolia (pear-leaved crab apple)
...mm–100.0 mm. Stalked glands on fruit (Rosa): NA. Number of pistils: 1. Hai...
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Consolida regalis (royal knight's-spur)
... 13 or more. Plant color: the leaves or young stems of the plant are green. Number of pistils: ...
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Amaranthus hybridus (green amaranth)
... 1.5 mm–2.5 mm. Spines on plant: the plant has no spines. Tendril origin: NA. ...