Plant: Annual forb to 70 cm
Leaves: leaves opposite, petiolate, ovate to round, crenate
Flowers: flowers in verticles of mostly 1 to 4; corollas blue, two-lipped
Fruit: a nutlet.
Plant: Annual forb to 70 cm
Leaves: leaves opposite, petiolate, ovate to round, crenate
Flowers: flowers in verticles of mostly 1 to 4; corollas blue, two-lipped
Fruit: a nutlet.