Gemmae are present in:
Gemmae are present in:
Gemmae cups are cup-like structures containing gemmae The gemmae are small discs of haploid tissue and they directly give rise to new gametophytes
Cross section through thallus of a Marchantia gametophyte showing a gemmae cup More Information Cross section through thallus of a Marchantia gametophyte fewer gemmae cups Maximum number of cups seems to depend, therefore, large- ly upon a high nitrate level and a very low phosphate supply When nitrate sup
raymund ringele Many liverwort gametophytes produce asexual clones called gemmae A Lunularia thallus covered with gemmae cups that are shaped like crescents These cups produce numerous small structures called gemmae which can grow into whole new plants Close-up of a gemma cup This is a longitudinal section through
