A small shrub with an upright stem up to 100 cm tall, covered with gray bark. The leaves are opposite, on rather long petioles, broadly obovate in shape, from (3) 5 to 11 cm long and 5 to 8.5 cm wide, entire, light green in color. The flowers are collected in branched irregular umbrellas located in the axils of the apical leaves. Sepals are small, 2 mm long, fused in half; corolla petals are white, 7-8 cm long, wide, linear in shape, with a blunt tip, fused only at the bases, erect; stamens 5, at the end of each there is a membranous appendage, the pistil is formed from one carpel, with an upper single-celled ovary, one style and two stigmas. The fruit is dry, one-seeded, elongated in the form of a pod (pouch) 6-8.5 cm long, opening along one seam. There are many seeds, their sizes are 8-9 mm long and 4 mm wide, strongly flattened, with a tuft of long hairs and a wide umbrella-shaped bat at the end of the seed. Blooms from June to early August.
It grows on sandy and gravelly soils of the Black Sea coast.
The bark, twigs and leaves are used medicinally. The population of the Black Sea coast uses maredia as a bitter herb for making tea that stimulates appetite and treats gastritis and stomach ulcers.