''Sium burchellii'', known commonly as dwarf jellico, is a species of

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 ...

in the family

Apiaceae Apiaceae or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus '' Apium'' and commonly known as the celery, carrot or parsley family, or simply as umbellifers. It is the 16th-largest family of flowering plant ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

Saint Helena Saint Helena () is a British overseas territory located in the South Atlantic Ocean. It is a remote volcanic tropical island west of the coast of south-western Africa, and east of Rio de Janeiro in South America. It is one of three consti ...

. It grows on steep island cliffs. It is threatened by the fragmentation of its small populations,

introduced species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived the ...

of plants, landslides, and possibly

hybridization Hybridization (or hybridisation) may refer to: *Hybridization (biology), the process of combining different varieties of organisms to create a hybrid *Orbital hybridization, in chemistry, the mixing of atomic orbitals into new hybrid orbitals *Nu ...

with ''

Sium bracteatum ''Sium bracteatum'' (known commonly as jellico and large jellico) is a species of flowering plant in the family Apiaceae. It is endemic to Saint Helena. It is protected in Diana's Peak National Park, but proper management practices have not yet ...

''.

References

burchellii Flora of Saint Helena Flora of Ascension Island Flora of Tristan da Cunha Endangered plants Taxonomy articles created by Polbot Taxobox binomials not recognized by IUCN {{Apiaceae-stub