Keywords: Gymnosporia buxifolia thorn.JPG en A thorn of Gymnosporia buxifolia showing leaves that demonstrate that the thorn is a derived branch The plant is a shrub or small tree in the family Celastraceae own JonRichfield 2010-10-16 None as yet This species is called the Common Spike-thorn ; the dangerously sharp tough and rigid thorns often exceed 100 mm in length This photograph was taken near the town of Uniondale in South Africa Google Earth location -33 777 23 087 Gymnosporia buxifolia Flora of South Africa Thorns spines and prickles |