@article {55,
	title = {Evolution of syncarpy and other morphological characters in African Annonaceae: a posterior mapping approach},
	journal = {Molecular Phylogenetics and Evolution},
	volume = {47},
	number = {1},
	year = {2008},
	pages = {302-318},
	author = {Couvreur, T.L.P. and Richardson, J.E. and Sosef, M.S.M. and Erkens, R.H.J. and Chatrou, L.W.}
}
@article {45,
	title = {A revision of the African genus <i>Hexalobus </i>(Annonaceae)},
	journal = {Systematic Botany},
	volume = {36},
	year = {2011},
	month = {02/2011},
	pages = {33-48},
	type = {Taxonomic revision},
	chapter = {33},
	doi = {10.1600/036364411X553108},
	url = {http://www.ingentaconnect.com/content/aspt/sb/2011/00000036/00000001/art00005},
	author = {Botermans, M. and Sosef, M.S.M. and Chatrou, L.W. and Couvreur, T.L.P.}
}
