Sphenopsida (Horse tails or Arthrophytes):

Описание к видео Sphenopsida (Horse tails or Arthrophytes):

Sphenopsida:

It's third group of tracheophytes.
it's also called arthrophytes/horsetails.
eg Equisetum

Plant body is differentiated into root, stem and leaves.

Main plant body is sporophyte. which produces spores and developed into gametophyte.

It has no ridges.

It produces reproductive structures called strobilli.

It completes their life cycle by the process of alternation of generation.

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