Dryas L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 34

16. Dryas L. *3

Procumbent, branched dwarf shrubs. Leaves simple. Flowers hermaphrodite or polygamous, solitary. Hypanthium convex; sepals 7-10, epicalyx absent; petals (7—)8(—16); stamens and carpels numerous. Fruit a head of achenes with long, persistent, terminal, hairy styles.