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Verbesina encelioides (golden crownbeard)
...2–10 sterile ray flowers, and leaf blades serrate to subentire (vs. V. envcelioides, with plants annual, 2–10 dm tall, stems without decurrent wing-angles, capitula with 10–15 carpellate ray flowers, ...
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Iris ensata (Russian iris)
... 1.0 None–1.0 None. Inflorescence type: the inflorescence differs from the choices given. Flowering stem grow...
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Malva sylvestris (high mallow)
... 1.0 None–1.0 None. Final leaf segment length (compound lvs only): 0.0 mm–0.0 mm. Tendril origin: ...
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Gaillardia aristata (common blanket-flower)
... 11-15. Bracts: the bracts in separate cycles are similar or gradually changing from the outer to inner cycles. ...
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Alopecurus carolinianus (Carolina meadow-foxtail)
...mm–1.0 mm. Seed length: 1.0 mm–1.5 mm. Spikelet number per node: 0.0 NA–0.0 NA. Spikel...
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Amaranthus pumilus (sea-side amaranth)
... 10.0 mm–15.0 mm. Flower description: the flower has a superior ovary, and lacks a hypanthium. Stamen number:...
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Uvularia perfoliata (perfoliate bellwort)
...mm–13.0 mm. Root septa: the roots do not have transverse septa. Flower number: 1.0 NA–1.0 NA. ...
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Inula helenium (horse yellowhead)
...leaves 1.2–2 cm broad, rays 10–15 mm long, and disk corollas 5–7 mm long (vs. I. helenium, with basal and lower stem leaves 10–20 cm broad, rays mostly 20–30 mm long, and disk corollas 7–11 mm long).:...
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Helianthus annuus (common sunflower)
...mm–15.0 mm. Ray flowers: more than 50. Ray flowers: 11-15. Seed tuft type:...
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Campanula lanata (woolly bellflower)
... 1. Leaf blade shape: the leaf blade is cordate (heart-shaped with backward-facing rounded lobes), or sagittate (arrow-shaped with backwa...