reproductive organs of selaginella,equistem and pteris
Answers
Answer:
Selaginella:
Selaginella is the only living genus of the order Selaginellales and is commonly known as ‘spike moss’ or ‘small club moss’.
Equisetum:
The plant body of Equisetum has an aerial part and an underground rhizome part . The rhizome is perennial, horizontal, branched and creeping in nature. The aerial part is herbaceous and usually .
pteris:
A genus of coarse ferns having variously divided or rarely simple fronds with a marginal linear continuous sorus and an indusium composed of the reflexed margin of the frond.
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Answer:
Selaginella : Spore producing organs.
Equisetum : Sexuality.
Pteris : Spore-Producing Organ
Explanation:
Selaginella:-
The plants are heterosporous i.e., produce two different types of spores—megaspores and microspores. These spores are produced in megasporangia and microsporangia, respectively which, in turn, are produced on fertile leaves known as megasporophylls and microsporophylls respectively.
Equisetum:-
The gametophytic plant body bears sex organs i.e., antheridium (male) and archegonium (female). The gametophyte are basically bisexual (homothallic) i.e., they bear both male and female sex organs.
Pteris :-
Pteris reproduces by means of spores. Pteris is a homosporous fern. The sorus of Pteris is called coenosorus