Size: shrub 3-6' average height, 9' spread
Buds: dark, often contrast with twig color, buds 2-ranked
Leaves: deciduous, alternate, 1.5-4" long, .75-2" wide, simple, ovate-lanceolate, margins doubly serrate, tip acuminate, bright green, sometimes yellow in fall
Twigs: yellow-green to green in winter, with zig-zag pattern
Flowers: perfect, bright yellow, 5-petaled, 1.25-1.75" across, in early summer, double-flowered form ('Pleniflora') is often grown
Fruit: achene, seldom seen
