SORUS

sorus

(noun) cluster of sporangia usually on underside of a fern frond

sorus

(noun) a spore-producing structure in certain lichens and fungi

Source: WordNet® 3.1

sorus (plural sori)

(mycology, lichenology) Any reproductive structure, in some lichens and fungi, that produces spores.

(botany) A cluster of sporangia on the edge or underside of a fern frond.

• fruit dot

• ORuss., Russo, Russo-, sours

Source: Wiktionary

So"rus, n.; pl. Sori. Etym: [NL., fr. Gr. (Bot.)

Definition: One of the fruit dots, or small clusters of sporangia, on the back of the fronds of ferns.

Source: Webster’s Unabridged Dictionary 1913 Edition

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18 June 2025

(noun) large South American evergreen tree trifoliate leaves and drupes with nutlike seeds used as food and a source of cooking oil

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