Sexual Reproduction in Angiosperms | Biology for Majors II
Models for pollen tube guidance to the embryo sac and sperm guidance... | Download Scientific Diagram
Text-book of botany, morphological and physiological. Botany. FlG. 377.—A pollen-sac oiAlthaa rosea seen from the side, m the archesporium; B transverse section of an anther- lobe showing the two pollen-sacs, m