There are around 150 species of Rhus (sumacs) found around the world in temperate regions. They are found in both North and South America...
Simmondsia chinensisis is now in its own family, Simmondsiaceae, and not in the boxwood family, Buxaceae. Yay! The foliage and stems of jojoba are...
There are 30 species of Dalea found in Arizona, many of which are the the nursery trade because they are so doggone pretty. How...