2. specialized leaf branch in certain aquatic ferns that encloses the sori or clusters of sporangia; [syn: sporocarp, spore case]
WordNet (r) 3.0 (2006):
spore case
n 1: organ containing or producing spores [syn: sporangium,
spore case, spore sac]
2: specialized leaf branch in certain aquatic ferns that
encloses the sori or clusters of sporangia [syn: sporocarp,
spore case]