ilex vomitoria Aiton. Yaupon, Yaupon Holly, Cassina. Aquifoliaceae (Holly Family). This is the native holly of Texas. This shrub or small tree is a true "holly". My husband and I were walking around our ranch in central Texas on a crisp, clear Sunday morning when we came upon this Holly shrub while looking for a Christmas tree to chop down. They are abundant around our ranch. My niece's name is Holly. She is the first born grandchild in our family and was born on my mom's birthday, September 10.