Megasporogenesis and development of the embryo sac in the Palestine variety of Trifolium alexandrinum L.

Abstract

The structure and development of the embryo sac in Trifolium alexandrinum (Palestine variety), are very similar to that in Trifolium pratense. The embryo sac of Trifolium alexandrinum is monosporal, has eight nuclei and is of the Polygonum type. The Palestine variety of Trifolium alexandrinum can be autogamous.