trifoliate orange Rutaceae Poncirus
trifoliata (L.) Raf.
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