False Pimpernel

Annual or perennial herbs, sometimes aquatic. Leaves opposite, decussate, sometimes arranged in a rosette, rarely floating (e.g. in L. conferta); the venation usually palmate. Flowers solitary and axillary or arranged in terminal racemes. Calyx 5-lobed, tubular; tube ± 5-ribbed or -winged. Corolla 2-lipped; tube cylindric or somewhat campanulate above; upper lip erect, broad, concave, entire to deeply 2-fid; lower lip larger, spreading with 3 broad rounded lobes. Stamens usually 2 with 2 staminodes, rarely all 4 fertile. Nectary present, disc-like, at base of ovary. Ovary 2-locular; ovules many. Fruit a septicidal capsule. Seeds many, with a thin-walled epidermis.

The genus Lindernia is a group of plants in the family Linderniaceae. They are native to warm regions in both the Eastern and Western Hemisphere.

The genus name of Lindernia is in honour of Franz Balthasar von Lindern (1682–1755), French doctor and botanist in Strasbourg and also university botanical garden director.

Lindernia consists of 30 species in its most recent circumscription.