| 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. |