- plural of sorus.
sori
Americannoun
noun
Example Sentences
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The photo shows small bumps called sori on the underside of a fern frond.
From Textbooks ● Jan. 1, 2015
Inside the sori, spores are produced by meiosis and released into the air.
From Textbooks ● Jan. 1, 2015
They are distinguished by large leaves called fronds and small sporangia-containing structures called sori, which are found on the underside of the fronds.
From Textbooks ● Jan. 1, 2015
The sori of this species have a peculiar beauty on account of the star-shaped indusium, as it splits into fragments.
From The Fern Lover's Companion A Guide for the Northeastern States and Canada by George Henry Tilton
Ferns with much divided leaves and short, marginal sori borne at the ends of free-forking veins, on the under side of the reflexed and altered portion of the pinnules, which serves as an indusium.
From The Fern Lover's Companion A Guide for the Northeastern States and Canada by George Henry Tilton
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