@article {diane_leaf_????,
	title = {Leaf anatomy and foliar trichomes in Heliotropiaceae and their systematic relevance},
	journal = {Flora},
	volume = {198},
	number = {6},
	year = {2003},
	pages = {468{\textendash}485},
	author = {Diane, N and Jacob, C and HH Hilger}
}
