Salix [unranked, as "stirps"] Tetraspermae Andersson, Kongl. Svenska Vetenskapsakad. Handl. 6, 1: 1. 1865.

Trees or shrubs. Leaf blade lanceolate or ovate-lanceolate, large, 5-6(-12) cm, apex long acuminate or acute. Catkins very long, to 15 cm, laxly flowered. Male flower: adaxial and abaxial glands present, usually forming a lobed disc; stamens 5-10 or more. Female flower: gland 1, adaxial, slightly clasping stipe; ovary glabrous, conspicuously stipitate; style absent or very short; stigma short and coarse, retuse or 2-cleft.