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Definition of Sorus
1. Noun. A spore-producing structure in certain lichens and fungi.
2. Noun. Cluster of sporangia usually on underside of a fern frond.
Definition of Sorus
1. n. One of the fruit dots, or small clusters of sporangia, on the back of the fronds of ferns.
2. n. In parasitic fungi, any mass of spores bursting through the epidermis of a host plant.
Definition of Sorus
1. Noun. (botany) Any reproductive structure, in some lichens and fungi that produces spores ¹
2. Noun. (botany) A cluster of sporangia on the edge or underside of a fern frond ¹
¹ Source: wiktionary.com
Definition of Sorus
1. a cluster of plant reproductive bodies [n -RI]
Medical Definition of Sorus
1. A group of sporangia or spore cases, for example on the underside of fern leaves. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Sorus
Literary usage of Sorus
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Origin of a Land Flora: A Theory Based Upon the Facts of Alternation by Frederick Orpen Bower (1908)
"But in several branches from this line a transition is found from the marginal
to the superficial position of the sorus. One line is direct from ..."
2. The Florist and Pomologist: A Pictorial Monthly Magazine of Flowers, Fruits by Robert Hogg (1870)
"... nearly circular sorus, willi its membranaceous entire indusium, is developed.
The Dredge-shaped pinnules and smaller size distinguish it from A. tinctum ..."
3. Text-book of Botany, Morphological and Physiological by Julius Sachs (1882)
"It is of but little importance for this interpretation that the apparently
multicellular sporangium, which we regard as a coalesced sorus, is borne in ..."
4. The Ferns and Fern Allies of New Zealand: With Instructions for Their by George Malcolm Thomson (1882)
"a, sorus and involucre (much mag.) . Fig. 6. ... a, sorus with the marginal
involucre turned back (much mag.) Fig. 0. ..."
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