Suob-kabayo (Tag.)

A coarse, erect, branched , more or less hairy, aromatic annual. Height: 0.5 to 2 meters tall Leaves: Leaves are ovate, opposite, 4 to 9 centimeters long, pointed at the tip, pointed to somewhat heart-shaped at the base, and toothed at the margins. Flowers: Flowers are long-stalked, occurring at the axils of leaves. Calyx in flower is hairy, about 4 millimeters long, but soon enlarges in fruit to about 1 centimeter long, striate with erect, stiff teeth. Corolla blue, strongly zygomorphic, bilabiate; stamens are 4, declinate, and about 8 millimeters long, with a limb 5 millimeters in diameter. Fruits: Fruits have flat and mucilaginous seeds.