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Artemisia pontica (Roman wormwood)
... 11-15. Leaf blade width: 10.0 mm–30.0 mm. Disk flower reproductive parts: the disk flower h...
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Lycopus virginicus (Virginia water-horehound)
... 1.0 None–1.0 None. Leaf blade texture: the leaf blade is herbaceous (has a leafy texture). Achene shape: ...
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Piptatherum pungens (short-awned mountain-rice grass)
...0.5-1.8 mm wide, lemma awns 1-2 mm long, and panicle branches bearing two or more spikelets).: Oryzopsis asperifolia awn of lemma 6–11 mm long, often bent or twisted i...
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Rumex crispus (curly dock)
... 1.0 NA–1.0 NA. Fruit shape: the fruit is ovoid (egg-shaped). prickles on fruits: t...
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Melilotus officinalis (yellow sweet-clover)
... 1.0 None–1.0 None. Leaf form: the leaves are green, with an expanded blade and a leaf-like texture. Sepal sh...
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Ericaceae: Dichotomous Key
...612] 11b. Ovary superior 15a. Corolla campanulate to salverform or rotate, not constricted in the apical portion [Figs. 613, 614, 619] 16a. Corolla rotate, 10-sa...
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Group 4: Woody angiosperms with opposite or whorled leaves: Dichotomous Key
...or 10–35 achenes enclosed in a fleshy hypanthium 17a. Perianth of 15–30 brown-purple tepals; gynoecium with 10–35 carpels; androecium with 10–20 stamens and 10–25 staminodes seated inside...
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Lechea intermedia (round-fruited pinweed)
... 1.0 mm–1.0 mm. Fruit shape: the fruit is obovoid (egg-shaped, but with the widest point above the middle). L...
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Gratiola virginiana (round-fruited hedge-hyssop)
...mostly 10–20 mm long in fruit, spreading, and capsules 3–5 mm long (vs. G. virginiana, with pedicels relatively stout, mostly 1–4 mm long in fruit, ascending to erect, and capsules 5–9 mm long).: ...
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Limnobium spongia (American spongeplant)
...mm–100.0 mm. Leaf blade length: 10.0 mm–100.0 mm. Length of peduncle: 25.0 mm–100.0 mm. ...