trifoliate orange Rutaceae Poncirus trifoliata
Leaf:Alternate, compound, 3 leaflets, 1 to 2 inches long, may be finely wavy toothed, thickened, petiole winged, shiny dark green.
Flower:White, 5 petals, 1 to 2 inches across and very fragrant, appearing in spring.
Fruit:Yellowish orange, 1 to 1 1/2 inches across, fuzzy and very sour, numerous seeds, ripen in late summer.
Twig:Moderate, numerous stiff 1 inch long thorns, green and angled, buds are small.
Bark:Light gray-brown, smooth.
Form:A small tree or bush with numerous vicious thorns and green stems