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What’s a dichotomous key? Help

Xyridaceae

This family contains exactly one genus, Xyris.

See list of 4 species in this genus
  • 1a. Keel of lateral sepals firm, ciliate except at the red-fimbriate tip; leaves twisted; base of plant abruptly bulbous
  • 1b. Keel of lateral sepals weak, scarious, entire to lacerate; leaves plane; base of plant not abruptly bulbous

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 Show photos of:   Each photo represents one species in this genus.

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