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See list of 2 species in this genus
  • 1a. Fruit 0.7–2 mm wide, terete in cross-section; plants 5–25 (–50) cm tall, generally lacking a basal rosette of leaves; seeds shiny
  • 1b. Fruit 1.5–2.5 mm wide, quadrangular in cross-section; plants 50–80 cm tall, with a basal rosette of leaves; seeds dull

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