(n)desert shrub of southwestern United States and New Mexico having persistent resinous aromatic foliage and small yellow flowers, Syn.Larrea tridentata, hediondilla, coville
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
. A shrub (Covillea mexicana) found in desert regions from Colorado to California and southward through Mexico. It has yellow flowers and very resinous foliage with a strong odor of creosote. [ Webster 1913 Suppl. ]