Salix L.
Leaves linear to obovate; usually less than 5 cm wide. Flowers with 1 or 2 elongated nectaries Salix
Multi-stemmed trees or shrubs to 9 m high. Leaves ovate less than 3 times as long as broad. Catkins emerging long before leaves. Undersurface of leaves with grey hairs, some rusty hairs may be present. Stipules broad. Introd. from Eurasia and N. Africa. Pussy Willow Salix cinerea
Trees with one to several trunks 10–20 m high. Leaves linear to oblanceolate more than 3 times as long as broad. Catkins emerging with leaves