Leaves of Linaceae are always simple ; arrangement varies from alternate ( most species ) to opposite ( in `` Sclerolinon '' and some `` Linum '' ) or whorled ( in some `` Hesperolinon '' and `` Linum '' ) .
Leaves of Linaceae are always simple . Their arrangement varies from alternate ( most species ) to opposite ( in `` Sclerolinon '' and some `` Linum '' ) or whorled ( in some `` Hesperolinon '' and `` Linum '' ) .