Plant reproductive morphology is the study of the physical form and structure of those parts of plants directly or indirectly concerned with sexual reproduction.
Close-up of a Schlumbergera flower, showing part of the gynoecium (specifically the stigma and part of the style) and the stamens that surround it
Dioicous gametophytes of the liverwort Marchantia polymorpha. In this species, gametes are produced on different plants on umbrella-shaped gametophores with different morphologies. The radiating arms of female gametophores (left) protect archegonia that produce eggs. Male gametophores (right) are topped with antheridia that produce sperm.
Ranunculus glaberrimus flower
Alnus glutinosa, the common or European alder, has unisexual flowers and is monoecious. The male-flower catkins are hanging down on the left, the much smaller female flowers are above and last season's fruit on the right.
An archegonium, from the Ancient Greek ἀρχή and γόνος, is a multicellular structure or organ of the gametophyte phase of certain plants, producing and containing the ovum or female gamete. The corresp
Diagram of archegonium anatomy
Gene expression pattern determined by histochemical GUS assays in Physcomitrella patens