A small, annual, erect, or at the base prostrate herb, up to 15 cm tall. Leaves oblong to obovate, 10-B35 mm long, base attenuate, margins densely sharply serrate, teeth with long bristle, petiole absent. Flowers in terminal racemes, 2B-8 cm long, 3B-13-flowered, pedicel 3B-7 mm long, corolla tube narrow cylindrical, 6 mm long, upper lip erect, concave, white with red stripe, lower lip patent, 3-lobed, white-red spotted, stamens 2, staminodes 2, short and curved, base red, apex white. Capsule erecto-patent, linear, attenuate acute, 11B-15 mm long. Seed ellipsoid, 0.3 mm long, reticulately pitted, base acute, apex flattened or rounded.

PROSEA (Plant Resources of South-East Asia) Foundation

The sap from the crushed leaves is given after childbirth. The plant is considered an effective cure for menorrhagia.