Sporangia of eusporangiate ferns:

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(C) In eusporangiate development,the sporangium originates from a group of superficial initial cells.These initial cells divide periclinally to form a

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Originate from a group of initial cells

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(C) In eusporangiate development,the sporangium originates from a group of superficial initial cells.These initial cells divide periclinally to form an outer wall layer and an inner sporogenous tissue.This is in contrast to leptosporangiate development,where the sporangium arises from a single initial cell.

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