#genus_Exacum__Exacum  genus of tropical Asiatic and African plants: especially Persian violets
  supertype:  dicot_genus__dicotgenu__magnoliopsidgenu  genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
  member of:  family_Gentianaceae
  member:  Persian_violet__Exacum_affine  perennial cultivated especially as a houseplant for its fragrant bluish to dark lavender flowers

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