macrosporangium

Mac`ro*spo*ran"gi*um, n. Etym: [NL. See Macro-, and Sporangium.] (Bot.) Defn: A sporangium or conceptacle containing only large spores; -- opposed to microsporangium. Both are found in the genera Selaginella, Isoctes, and Marsilia, plants remotely allied to ferns.

macrosporangium - Similar Words

microsporangium oosporangium sporangium zoosporangium ooesporangium macrosporic zooesporangium macrospore macroprism acropodium