from The Century Dictionary.
- noun A genus of plants, of the order Rutaceæ, type of the tribe Xanthoxyleæ.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Bot.) A genus of prickly shrubs or small trees, the bark and rots of which are of a deep yellow color; prickly ash.
Sorry, no etymologies found.
Other places that are slightly less arid support semi-desert shrub communities, comprised of wormwoods (Artemisia salsoloides, A. ordosica), beancaper (Zygophyllum xanthoxylum), and Calligonum mongolicum.