Macrosporangium

Definition:

• (n.) 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.

Compare macrosporangium with other words:

macrosporangium vs. oophoridium

fern vs. macrosporangium

macrosporangium vs. selaginella

macrosporangium vs. microsporangium

macrosporangium vs. spore

large vs. macrosporangium

conceptacle vs. macrosporangium

macrosporangium vs. sporangium