Vegetative key to the families
Vegetative Key Vegetative key to the families
STEMS SQUARE (or quadrangular), smooth or hairy but not scabrous; leaves opposite or rarely whorled, fragrant but usually without oil dots; fruit separating into 4 articles Lamiaceae
Calyx divided into 2 lips which may or may not be toothed
Perfect stamens 4
Herbs, upper calyx lip with a hollow protuberance Scutellaria
Subshrubs, shrubs or small trees, upper calyx lip with no protuberance Prostanthera