Cormus ( : cormi) (from

ancient Greek Ancient Greek (, ; ) includes the forms of the Greek language used in ancient Greece and the classical antiquity, ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Greek ...

: κορμός, ''kormόs,'' 'stem') is the appearance of a plant that belong to

Cormophyte Cormophytes (Cormophyta) is a historical term seldom used today for the plants that are differentiated into roots, Plant stem, stems and leaf, leaves. These plants differ from thallophytes, whose body is referred to as the thallus, i.e. a simple bo ...

(

Pteridophyte A pteridophyte is a vascular plant (with xylem and phloem) that reproduces by means of spores. Because pteridophytes produce neither flowers nor seeds, they are sometimes referred to as " cryptogams", meaning that their means of reproduction is ...

and

Spermatophyte A seed plant or spermatophyte (; New Latin ''spermat-'' and Greek ' (phytón), plant), also known as a phanerogam (taxon Phanerogamae) or a phaenogam (taxon Phaenogamae), is any plant that produces seeds. It is a category of embryophyte (i.e. la ...

). In cormus, the vegetative apparatus is no longer a

thallus Thallus (: thalli), from Latinized Greek (), meaning "a green shoot" or "twig", is the vegetative tissue of some organisms in diverse groups such as algae, fungi, some liverworts, lichens, and the Myxogastria. A thallus usually names the entir ...

, such as

algae Algae ( , ; : alga ) is an informal term for any organisms of a large and diverse group of photosynthesis, photosynthetic organisms that are not plants, and includes species from multiple distinct clades. Such organisms range from unicellular ...

, that cannot be distinctly differentiated. The structure of cormus can be easily differentiated into its roots, stems, and leaves. In the sense of

Ernst Haeckel Ernst Heinrich Philipp August Haeckel (; ; 16 February 1834 – 9 August 1919) was a German zoologist, natural history, naturalist, eugenics, eugenicist, Philosophy, philosopher, physician, professor, marine biology, marine biologist and artist ...

, cormus is a plant or "colonia" animal made up of a number of

individual An individual is one that exists as a distinct entity. Individuality (or self-hood) is the state or quality of living as an individual; particularly (in the case of humans) as a person unique from other people and possessing one's own needs or g ...

s which originate by gemmation or budding. As applied to animals, cormus is equivalent to ''polypidom''.

References

Plant morphology Biological classification {{biology-stub

See also

References