Ilex vomitoria- "Yaupon Holly", a caffeine containing member of the Ilex genus from North America.
Quercus ilex | Rauvolfia vomitoria | Ilex aquifolium | Ilex glabra | Ilex canariensis | Ilex vomitoria | Ilex guayusa | Ilex brasiliensis | HMS ''Ilex'' |