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Webster 1913 Edition

Exannulate

Ex-an′nu-late

,

Adj.

[Pref.

ex-

+

annulate

.]

(Bot.)

Having the sporangium destitute of a ring; – said of certain genera of ferns.

Definition 2024

exannulate

exannulate

English

Adjective

exannulate ‎(not comparable)

(botany) Having the sporangium destitute of a ring; said of certain genera of ferns.