Morphological Research on Indigenous Sambucus Species Pollen
The pollen grains have a definite shape, size, colour, structure for each species, genus and family and these characters are useful for systematical botany.The pollen has nutritive properties due to its content: proteins, lipids, carbohydrates, vitamins, hormones and minerals.In the Romanian flora vegetate three species of Sambucus, but only S.nigr