''Stylidium perizostera'' is a
dicotyledonous
plant
Plants are predominantly Photosynthesis, photosynthetic eukaryotes of the Kingdom (biology), kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all curr ...
that belongs to the
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
''
Stylidium
''Stylidium'' (also known as triggerplants or trigger plants) is a genus of dicotyledonous plants that belong to the family Stylidiaceae. The genus name ''Stylidium'' is derived from the Greek ''στύλος'' or ''stylos'' (column or pillar), w ...
'' (family
Stylidiaceae
The family Stylidiaceae is a taxon of dicotyledonous flowering plants. It consists of five genera with over 240 species, most of which are endemic to Australia and New Zealand. Members of Stylidiaceae are typically grass-like herbs or small shru ...
). It is an
annual plant that grows from 5 to 11 cm tall. The
linear
Linearity is the property of a mathematical relationship ('' function'') that can be graphically represented as a straight line. Linearity is closely related to '' proportionality''. Examples in physics include rectilinear motion, the linear ...
leaves, about 8–12 per plant, are mostly in terminal
rosettes but with some scattered along the elongate,
glabrous
Glabrousness (from the Latin '' glaber'' meaning "bald", "hairless", "shaved", "smooth") is the technical term for a lack of hair, down, setae, trichomes or other such covering. A glabrous surface may be a natural characteristic of all or part o ...
stem. The leaves are around 7.5 mm long and 0.4-0.7 mm wide.
Petioles are absent. This species produces 1-10
scapes
Parsons School of Design, known colloquially as Parsons, is a private art and design college located in the Greenwich Village neighborhood of New York City. Founded in 1896 after a group of progressive artists broke away from established Manhatta ...
per plant.
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed ...
s are around 9 cm long and produce a single white, yellow, and orange flower. ''S. perizostera'' 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 ...
to the
Kimberley region
The Kimberley is the northernmost of the nine regions of Western Australia. It is bordered on the west by the Indian Ocean, on the north by the Timor Sea, on the south by the Great Sandy and Tanami deserts in the region of the Pilbara, an ...
in
Western Australia
Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to ...
and ranges from the
Mitchell Plateau
Mitchell River National Park is a national park in the Kimberley region of Western Australia, northeast of Perth. The park adjoins the northern boundary of the Prince Regent National Park. The nearest towns are Derby, to the southwest, as well ...
to
Bigge Island
Bigge Island is an island off the coast of the Kimberley region in Western Australia, within the Shire of Wyndham-East Kimberley.
The island lies approximately from the mainland, from which it is separated by Scott Strait. It is located betw ...
. Its habitat is recorded as being near sandstone outcrops in drainage lines.
[Bean, A.R. (2000). A revision of ''Stylidium'' subg. ''Andersonia'' (R.Br. ex G.Don) Mildbr. (Stylidiaceae). ''Austrobaileya'' 5(4): 589-649.]
See also
*
List of ''Stylidium'' species
References
Carnivorous plants of Australia
Eudicots of Western Australia
perizostera
Asterales of Australia
{{Australia-asterid-stub