Family composed of 7 genera and 50 species, some shrubby but mostly herbaceous, distributed mainly through temperate regions of the Palearctic. In North Africa, only the genera Randonia and Ochradenus have woody plants.

Abdallah, M.S. & de WIT, H.C.D. 1978. The Resedaceae. A taxonomic revision of the family. Belmontia, N.S. 8 26A. 416 págs.

Key to genera

1 Subshrub up to 1.5 m in height. Fruits dry in capsule. Leaves very small (2-13 mm long), deciduous. Corolla white. Petals present. Stamens 16-18 Randonia

1 Shrub up to 3 m in height. Leaves longer (10-50 mm), deciduous. Corolla yellowish, petals rudimentary or caducous. Stamens 10-12(18) Ochradenus

Updated by: H. Sainz.