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Key to Angelica

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1 Lateral ribs of the fruit with thick, corky wings, about as thick as wide in ×-section; lateral ribs and dorsal ribs of the fruit similar in shape and size; [NY northward, also reported as introduced in our area]
1 Lateral ribs of the fruit with thin, flat wings, much wider than think in ×-section; lateral ribs of the fruit much wider and pronounced than the dorsal ribs; [collectively widespread].
  2 Larger leaflets 3-6 cm long, 1-2.5 cm wide, obtuse at the apex; umbels either densely pubescent or glabrous; ovary and fruit either pubescent or glabrous; [collectively widespread in our area, in dry to mesic habitats].
    3 Umbels glabrous; ovary and fruit glabrous; leaf segments coarsely toothed
    3 Umbels pubescent; ovary and fruit hispid; leaf segments finely toothed
  2 Larger leaflets 8-15 cm long, 4-8 cm wide, acute to acuminate at the apex; umbels glabrous or sparsely pubescent; ovary and fruit glabrous or sparsely pubescent; [restricted to the Mountains in our area, in mesic habitats]
      4 Leaflets acute, the margin hyaline and mostly glabrous; umbels with 20-45 umbellets
      4 Leaflets acuminate, the margin ciliolate; umbels with 13-25 umbellets
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