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Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Loasaceae

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1 Stamens 5; fruits indehiscent, with 1 seed; [s., c., and nc. TX southwestwards]
1 Stamens 8-50+; fruits dehiscent, with 2-60+ seeds.
  2 Pistils 3-carpellate; stigma 3-lobed; hypanthium completely adnate to ovary; stamen filaments all filiform; [c. and s. TX southwestwards]
  2 Pistils 5-carpellate; stigma 5-lobed; hypanthium adnate to ovary below, free above; stamen filaments either 1) all filiform, or 2) the outermost 5 stamen filaments flattened, either slightly spatulate or greatly widened and petaloid; [more widespread in our region]
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