''Stylidium perpusillum'', the tiny triggerplant, 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 ...
), that occurs in
south west Western Australia.
It is an
ephemeral
Ephemerality (from the Greek word , meaning 'lasting only one day') is the concept of things being transitory, existing only briefly. Academically, the term ephemeral constitutionally describes a diverse assortment of things and experiences, fr ...
annual
Annual may refer to:
* Annual publication, periodical publications appearing regularly once per year
**Yearbook
**Literary annual
* Annual plant
*Annual report
*Annual giving
*Annual, Morocco, a settlement in northeastern Morocco
*Annuals (band), ...
that grows from 1.5 to 4 cm tall. It bears white flowers with undivided posterior
corolla
Corolla may refer to:
*Corolla (botany), the petals of a flower, considered as a unit
*Toyota Corolla, an automobile model name
* Corolla (headgear), an ancient headdress in the form of a circlet or crown
* ''Corolla'' (gastropod), a genus of moll ...
petals that bloom from September to November in its native range. Its habitat has been reported as being sand to clay soils in winter-wet depressions near granitic rocks. ''S. perpusillum'' is a tropical species
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 southwestern, Western Australia and is considered to be the smallest species in the genus ''Stylidium''.
[Carlquist, S.J. (1979). ''Stylidium'' in Arnhem land: New species, modes of speciation on the sandstone plateau, and comments on floral mimicry. ''Aliso'', 9: 411-461.][Coleman, Helen. (1998)]
''Stylidium perpusillum'' Hook.f.
FloraBase
''FloraBase'' is a public access web-based database of the flora of Western Australia. It provides authoritative scientific information on 12,978 taxa, including descriptions, maps, images, conservation status and nomenclatural details. 1,272 alie ...
, Western Australian Herbarium, Department of Environment and Conservation, Government of Western Australia. Accessed online: 20 September 2007. Johannes Mildbraed
Gottfried Wilhelm Johannes Mildbraed (19 December 1879 – 24 December 1954) was a German botanist that specialized in mosses, ferns, and various spermatophytes. He is well known for authoring the most current monograph and taxonomic treatment of ...
, in his 1908 monograph on the family, described ''S. perpusillum'' as also being present in
Victoria
Victoria most commonly refers to:
* Victoria (Australia), a state of the Commonwealth of Australia
* Victoria, British Columbia, provincial capital of British Columbia, Canada
* Victoria (mythology), Roman goddess of Victory
* Victoria, Seychelle ...
and
Tasmania
)
, nickname =
, image_map = Tasmania in Australia.svg
, map_caption = Location of Tasmania in AustraliaCoordinates:
, subdivision_type = Country
, subdi ...
, but all other collections since have only been in Western Australia.
[Mildbraed, J. (1908). Stylidiaceae. In: Engler, A. ''Das Pflanzenreich: Regni vegetabilis conspectus''. IV. 278. Leipzig.]
See also
*
List of ''Stylidium'' species
References
External links
Carnivorous plants of Australia
Eudicots of Western Australia
Plants described in 1847
perpusillum
Asterales of Australia
Taxa named by Joseph Dalton Hooker
{{Australia-asterid-stub