noun 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.
noun 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.
Webster English vocab. Английский словарь Webster. 2012