Rutaceae, the Rue Family
Shrubs or low trees, with compound leaves frequently dotted with translucent glands; flowers small, greenish-white, with 3-5 sepals, petals, and stamens.
| 1a. Leaflets 5-9; stems thorny | Prickly Ash, Zanthoxylum americanum. |
| 1b. Leaflets 3; stems not thorny | Hop Tree, Ptelea trifoliata. |