''Arum apulum'', known as Apulian arum, is a

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

in the family

Araceae The Araceae are a family of monocotyledonous flowering plants in which flowers are borne on a type of inflorescence called a spadix. The spadix is usually accompanied by, and sometimes partially enclosed in, a spathe (or leaf-like bract). ...

Description

''Arum apulum'' is a tuberous herbs that spreads clonally through discoid vertically oriented tubers.

Flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechanism ...

s are borne on a spadix.

Habitat

The species is endemic to Italy, where it grows in low scrub at altitudes of 300 to 400 meters in central Apulia. It is threatened by habitat destruction.

Taxonomy

Within the genus ''Arum'', it belongs to subgenus ''Arum'', section ''Dioscoridea'', and subsection ''Dischroochiton''. ''A. apulum'' is

tetraploid Polyploidy is a condition in which the cells of an organism have more than one pair of (homologous) chromosomes. Most species whose cells have nuclei (eukaryotes) are diploid, meaning they have two sets of chromosomes, where each set contains ...

, with a

chromosome A chromosome is a long DNA molecule with part or all of the genetic material of an organism. In most chromosomes the very long thin DNA fibers are coated with packaging proteins; in eukaryotic cells the most important of these proteins ar ...

count of 2n = 56.

References

External links

* Garden plants of Europe Flora of Italy apulum {{Araceae-stub