perigonium

Also per·i·gone

[per-i-goh-nee-uhm]

noun

Botany.

plural

perigonia 

1. the envelope of modified leaves surrounding the antheridia in mosses.

Other Word Forms

• perigonial adjective
• perigonal adjective

Word History and Origins

Origin of perigonium¹

From New Latin, dating back to 1810–20; peri-, -gonium

Example Sentences

At the top of the axis in the male plant rise the antheridia, surrounded by an envelope of modified leaves called the perigonium.

From Project Gutenberg