thallus

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Definitions from WordNet

Noun thallus has 1 sense

thallus - a plant body without true stems or roots or leaves or vascular system; characteristic of the thallophytes
--₁ is a kind of plant part, plant structure
--₁ has particulars: crustose thallus

Definitions from the Web

Thallus

Description:

A thallus refers to the vegetative body of certain lower plants like algae, lichens, and fungi, which lacks true stems, roots, or leaves and is typically undifferentiated.

Senses:

Botany: The undifferentiated vegetative body of lower plants.
Lichenology: The main structural body produced by the symbiotic association of a fungus and an alga.

Usages:

Popular: In popular usage, thallus is often used to describe the body of lichens.
Local: In local communities, thallus may be used to refer to undifferentiated plant structures found in specific regions.

Sample Sentences:

The thallus of some algae is capable of conducting photosynthesis.
In lichens, the thallus provides protection and nutrient absorption.
Lichen enthusiasts gathered in the forest to study and identify different types of thallus structures.
The local herbalist explained the medicinal properties of the thallus found in the nearby woods.

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