dog rose Rosaceae Rosa canina
Leaf:Alternate, pinnately compound, deciduous, 4 inches overall; 5 to 7 broadly elliptical leaflets, each 1/2 to 1 1/2 inches long, serrate, green and glabrous above and below, large stipules at base of petiole.
Flower:Very showy and fragrant, white to pink, 1 1/2 to 2 1/2 inches across, 5-petalled.
Fruit:Shiny orange-red, fleshy "hip" containing achenes, to 3/4 inch long.
Twig:Moderate, initially green, turning red-brown or gray, bearing slightly curved prickles; buds red, rounded.
Bark:Light brown and very spiny.
Form:A thicket-forming shrub, reaches 3 to 12 feet.