.Drosera madagascariensis forms one or two slightly pubescent inflorescences which are 20-40 cm (8-16 in) tall and bear 4-12 flowers on 2-5 mm long peduncles. The sepals are ovate and slightly pubescent. The pink petals are obovate, 6-12 mm (0.25-0.5 in) long and 4-6 mm wide. The seed capsules are dehiscent and bear numerous seeds up to 0.6 mm long.