How far does Selaginella one of the few living

Question:

How far does Selaginella one of the few living members of lycopodiales (pteridophytes) fall short of seed habit?

Solution:

Selaginella produces macro and microspores. The megaspores and microspores germinate and produce female and male gametophytes. The embryo was retained

within the female gametophyte up to the development of rhizophore, roots and leaves only. Hence, there is no complete retention of an embryo. The seeds of Selaginella

and Lycopodium failed to develop protective covering called the integument.

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