'Sunburst' (R16-22) - Very deep canary yellow flowers. Narrow petals that open into an upright, narrow flower approx. 5" tall. Flowers open when they just begins to emerge. In bloom the tree appears to be covered with candle flames. Beautiful foliage that is heavy textured and quilted, maturing to 6" wide and 8" long. Leaves have wavy margins. Growth habit is upright with fairly fast growth rate. Mature height 30'+.