Thallus
noun, plural thalli
[thal-ahy] /ˈθæl aɪ/ (Show IPA), thalluses. Botany, Mycology.
1.
a simple vegetative body undifferentiated into true leaves, stem, and root, ranging from an aggregation of filaments to a complex plantlike form.
noun (pl) thalli (ˈθælaɪ), thalluses
1.
the undifferentiated vegetative body of algae, fungi, and lichens
thallus thal·lus (thāl’əs)
n. pl. thal·lus·es or thal·li (thāl’ī)
A plant body or fungus undifferentiated into stem, root, or leaf.
thallus
(thāl’əs)
Plural thalli (thāl’ī)
A type of body found among plants and fungi that is not differentiated into roots, stems, or leaves. Thalli are found among lichens, mosses, liverworts, and many algae, as well as the gametophyte generations of horsetails and ferns, which have rhizoids but not true roots.
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