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2025-09-12

“perisporangium”的英英意思

单词

perisporangium

释义

‖ perispoˈrangium Bot.
[f. peri- + sporangium.]
A structure surrounding or investing the sporangium in cryptogams.
1856in Henslow Dict. Bot. Terms.1866Treas. Bot. 865 Perisporangium, the indusium of ferns when it surrounds the spore-cases or sori.1867J. Hogg Microsc. ii. i. 272 A number of sporidium-bearing filaments emanate from a kind of membrane at the base of a spheroidal cellular perisporangium.