@article {Moon:2008p1103, title = {Comparative pollen morphology and ultrastructure of Mentheae subtribe Nepetinae (Lamiaceae)}, journal = {Rev Palaeobot Palyno}, volume = {149}, number = {3-4}, year = {2008}, month = {Jan}, pages = {174{\textendash}186}, abstract = {{This study provides new pollen data of 52 representative species belonging to all 12 genera in the currently classification of the subtribe Nepetinae, and considers the possible presence of orbicules for the first time. Pollen morphology and ultrastructure were investigated with light, scanning electron and transmission electron microscopy. Nepetinae pollen is small to large (P= 16-65 mu m}, keywords = {Angiosperms, Grains, Labiatae, Nepetinae, Nepetoideae, Orbicules, Palynology, Salvia Lamiaceae, Sequence Data, Sexine Ornamentation, Systematic Implications, Tapetum, Ultrastructure}, doi = {10.1016/j.revpalbo.2007.12.001}, url = {http://www.sciencedirect.com/science?_ob=ArticleURL\&_udi=B6V6W-4RC2NRJ-2\&_user=2139813\&_rdoc=1\&_fmt=\&_orig=search\&_sort=d\&_docanchor=\&view=c\&_acct=C000054276\&_version=1\&_urlVersion=0\&_userid=2139813\&md5=176fca009343bce3d0330d25969d0f75}, author = {Hye-Kyoung Moon and Stefan Vinckier and Erik Smets and Suzy Huysmans} }