3 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Sorus \So"rus\, n.
a In parasitic fungi, any mass of spores bursting
through the epidermis of a host plant.
b In lichens, a heap of soredia on the thallus.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Sorus \So"rus\, n.; pl {Sori}. [NL., fr Gr ? a heap.] (Bot.)
One of the fruit dots, or small clusters of sporangia, on the
back of the fronds of ferns.
From WordNet r 1.6 [wn]:
sorus
n 1: a spore-producing structure in certain lichens and fungi
2: cluster of sporangia usually on underside of a fern frond
more about sorus
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