In botany, a plant body without differentiation into true root, stem, or leaf.
A substance, assuming various forms, composed of cellular tissue without any proper woody fibre.
In bot., a solid mass of cells, consisting of one or more layers, usually in the form of a flat stratum or expansion, or in the form of a leaf, or frond.
A combination of cells presenting no differentiation of leaf and stem, as in Thallophytes.
