What is "ceratopetalum"

Ceratopetalum is a genus of nine species of shrub and tree in the family Cunoniaceae. They are found along the eastern coast of Australia and extend north to New Guinea. Two Australian species are among the best known, one being C. apetalum or coachwood, renowned as a timber tree, and C. gummiferum, the New South Wales Christmas bush, so named as it flowers in December.

• Ceratopetalum apetalum D.Don (Coachwood)
• Ceratopetalum corymbosum C.T.White
• Ceratopetalum gummiferum Sm. (NSW Christmas Bush)
• Ceratopetalum hylandii Rozefelds & R.W.Barnes
• Ceratopetalum iugumensis Rozefelds & R.W.Barnes
• Ceratopetalum macrophyllum Hoogland
• Ceratopetalum succirubrum C.T.White
• Ceratopetalum tetrapterum Mattf.
• Ceratopetalum virchowii F.Muell.