Missouri Willow (Salix Missouriensis, Bebb.)-Tree, to 50 feet high, with trunk to 1 1/2 feet thick. Twigs pubescent. Bark grey, thin, with small scales. Wood dark brown. Leaves lanceolate, acuminate, finely serrate, with rounded bases, 3 to 6 inches long, 1/2 to 1 1/2 inches wide; pubescent at first, becoming smooth, green above, pale and glaucous below; stipules leaf-like in pairs, often persistent; petioles about 1 inch long. Flowers before leaves; aments slender, long; scales persistent, hairy; stamens 2; style short. Fruit capsules, stalked, narrowly ovoid, smooth, above hairy oval scale. Preferred habitat, river banks. Distribution, northern Missouri, northeastern Kansas, Nebraska and western Iowa.