Magnoliophyta
Magnoliopsida
Violaceae
Hybanthus
Hybanthus monopetalus
Flowers in a slender raceme, each subtended by a minute bract. Lower petal 5–20 mm long. Leaves narrow-linear, 1–6 cm long; lower ones alternate; upper ones opposite. Widespread. Heath. Ss and old dunes. Fl. summer