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{{SPlantbox

{{SPlantbox

|familia=Stylidiaceae

|familia=Stylidiaceae

|genus=Stylidium  

|genus=Stylidium

|common_name=Triggerplant

|common_name=Triggerplant

|name_ref=Flora - A Gardener's Encyclopedia

|name_ref=Flora - A Gardener's Encyclopedia

|Temp Metric=°F

|Temp Metric=°F

|jumpin=If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!

|jumpin=If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!

|image=Upload.png

|image=Stylidium brunonianum gdaywa4.jpg

|image_width=240

|image_width=240

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}}

'''''Stylidium''''' (also known as '''triggerplants''' or '''trigger plants''') is a genus of [[dicotyledon]]ous [[plant]]s that belong to the family [[Stylidiaceae]]. The genus name ''Stylidium'' is derived from the Greek ''στύλος'' or ''stylos'' (column or pillar), which refers to the distinctive reproductive structure that its flowers possess.<ref>Curtis's Botanical Magazine. (1832). ''Stylidium scandens'', Volume 59: Plate 3136.</ref> Pollination is achieved through the use of the sensitive "trigger", which comprises the male and female reproductive organs fused into a [[column (botany)|floral column]] that snaps forward quickly in response to touch, harmlessly covering the insect in pollen. Most of the approximately 300 [[species]] are only found in [[Australia]], making it the fifth largest genus in that country. Triggerplants are considered to be [[protocarnivorous]] or [[carnivorous plant|carnivorous]] because the glandular [[trichome]]s that cover the [[Scape (botany)|scape]] and flower can trap, kill, and digest small insects with [[protease]] enzymes produced by the plant.

| name = ''LATINNAME''   <!--- replace LATINNAME with the actual latin name -->

 

| common_names =    <!--- if multiple, list all, if none, leave blank -->

[[File:Stylidium turbinatum column movement.png|thumb|right|223px|''[[Stylidium turbinatum|S. turbinatum]]'' flowers untriggered (left) and after being triggered (right). The floral column will reset to the original position.]]

| growth_habit = ?  <!--- tree, shrub, herbaceous, vine, etc -->

The majority of the ''Stylidium'' species are [[perennial plant|perennial herbs]] of which some are [[geophyte]]s that utilize [[bulb]]s as their storage organ. The remaining small group of species consists of [[ephemeral plant|ephemeral]] [[annual plant|annuals]].<ref name="Good">Good, R. (1925). On the Geographical Distribution of the Stylidiaceae. ''New Phytologist'', 24(4): 225-240.</ref>

| high = ?  <!--- 1m (3 ft) -->

 

| wide =     <!--- 65cm (25 inches) -->

Members of the genus are most easily identified by their unique [[column (botany)|floral column]], in which the [[stamen]] and [[carpel|style]] are fused.

| origin = ?  <!--- Mexico, S America, S Europe, garden, etc -->

 

| poisonous =    <!--- indicate parts of plants which are known/thought to be poisonous -->

Species of the genus ''Stylidium'' represent a very diverse selection of plants. Some are only a few centimeters tall, while others can grow to be 1.8&nbsp;meters (5.9&nbsp;ft) tall (''[[Stylidium laricifolium|S. laricifolium]]''). One typical plant form is a dense [[Rosette (botany)|rosette]] of leaves close to the ground that gives rise to the [[inflorescence|floral]] [[raceme|spike]] in the center. Plant forms range from wiry, creeping mats (''[[Stylidium scandens|S. scandens]]'') to the bushy ''S. laricifolium''.<ref name="Rica" /><ref name="Darnowski">Darnowski, Douglas W. (2002). ''Triggerplants''. Australia: Rosenberg Publishing. ISBN 1-877058-03-3</ref>

| lifespan =    <!--- perennial, annual, etc -->

 

| exposure = ?  <!--- full sun, part-sun, semi-shade, shade, indoors, bright filtered (you may list more than 1) -->

Flower morphology differs in details, but ascribes to a simple blueprint: four petals, zygomorphic in nature, with the trigger protruding from the "throat" of the flower and resting below the plane of the flower petals. Flower size ranges from many species that have small 0.5&nbsp;cm (0.2&nbsp;in) wide flowers to the 2-3&nbsp;cm (0.7-1.2&nbsp;in) wide flowers of ''[[Stylidium schoenoides|S. schoenoides]]''. Flower color can also vary from species to species, but most include some combination of white, cream, yellow, or pink. Flowers are usually arranged in a spike or dense [[raceme]], but there is at least one exception to the rule: ''[[Stylidium uniflorum|S. uniflorum]]'', as its name suggests, produces a single flower per [[inflorescence]].<ref name="Darnowski" />

| water = ?  <!--- frequent, regular, moderate, drought tolerant, let dry then soak -->

 

| features =    <!--- flowers, fragrance, fruit, naturalizes, invasive -->

Leaf morphology is also very diverse in this large genus. Some leaves are very thin, almost needle-like (''[[Stylidium affine|S. affine]]''), while others are short, stubby, and arranged in rosettes (''[[Stylidium pulviniforme|S. pulviniforme]]''). Another group of species, such as ''S. scandens'' (climbing triggerplant) form scrambling, tangled mats typically propped up on [[aerial root]]s.<ref name="Darnowski" />

| hardiness =    <!--- frost sensitive, hardy, 5°C (40°F), etc -->

 

| bloom =    <!--- seasons which the plant blooms, if it is grown for its flowers -->

| usda_zones = ?  <!--- eg. 8-11 -->

| sunset_zones =    <!--- eg. 8, 9, 12-24, not available -->

| color = IndianRed

| image = Upload.png  <!--- Freesia.jpg -->

| image_width = 240px    <!--- leave as 240px if horizontal orientation photo, or change to 180px if vertical -->

| image_caption =    <!--- eg. Cultivated freesias -->

| regnum = Plantae  <!--- Kingdom -->

| divisio =   <!--- Phylum -->

{{Inc|

{{Inc|

Stylidium (stylos, a column, referring to the body formed by the union of the stamens and style). Candolleaceae or Stylidiaceae. Herbaceous or somewhat woody perennials of many perplexing species mostly in Australia, seldom grown under glass or in the open in mild climates.

Stylidium (stylos, a column, referring to the body formed by the union of the stamens and style). Candolleaceae or Stylidiaceae. Herbaceous or somewhat woody perennials of many perplexing species mostly in Australia, seldom grown under glass or in the open in mild climates.

The stylidiums are of very minor importance horticulturally and scarcely appear in the American trade, although S. adnatum has been listed in southern California. The species are difficult of determination in Australia; Mildbraed describes 103. Most of the species "form a rosette or spreading tuft of radical leaves from the midst of which springs the scape. Sometimes the following year the new leaves and scape are close to the old ones, forming a dense, tufted stock, the bases of the leaves sometimes assuming a bulbous appearance; in others, one or two short stems are formed above the old tuft, each crowned by a new rosette and scape, and sometimes several successive tufts of leaves, separated by short stems or branches, may be observed. The plants are more or less lobelia-like, with pink, purplish, yellow, or white fls. in racemes, panicles, or cymes; corolla irregular, five-lobed of which four lobes ascend in pairs and the other (the lip) much smaller and deflexed or sometimes nearly as large as the others and curved upward; calyx five-lobed, more or less two-lipped; stamens two, united with the style: fruit a capsule, two-valved from the top downward: leaves all radical, or scattered in whorl-like tufts, as described above.

The stylidiums are of very minor importance horticulturally and scarcely appear in the American trade, although S. adnatum has been listed in southern California. The species are difficult of determination in Australia; Mildbraed describes 103. Most of the species "form a rosette or spreading tuft of radical leaves from the midst of which springs the scape. Sometimes the following year the new leaves and scape are close to the old ones, forming a dense, tufted stock, the bases of the leaves sometimes assuming a bulbous appearance; in others, one or two short stems are formed above the old tuft, each crowned by a new rosette and scape, and sometimes several successive tufts of leaves, separated by short stems or branches, may be observed. The plants are more or less lobelia-like, with pink, purplish, yellow, or white fls. in racemes, panicles, or cymes; corolla irregular, five-lobed of which four lobes ascend in pairs and the other (the lip) much smaller and deflexed or sometimes nearly as large as the others and curved upward; calyx five-lobed, more or less two-lipped; stamens two, united with the style: fruit a capsule, two-valved from the top downward: leaves all radical, or scattered in whorl-like tufts, as described above.

S. adnatum, R. Br. (Candollea adnata, Muell.), has mostly very narrow or linear lvs. scattered along the st., the upper ones crowded in a terminal tuft: fls. pink, nearly sessile in compound racemes or spike-like panicles: sts. 12 in. or less long.—S. Brunonianum, Benth. (Candollea Brunoniana, Muell.). Tufted or rarely proliferous, the radical lvs. linear to oblanceolate: scapes 12-18 in. high, with whorls of narrow lvs., and bearing many small pink fls., the corolla-throat appendaged, B.R.28:15. H.U. 4:72.—S. ciliatum, Lindl. (S. saxifragoides, Lindl. Candollea ciliata, Muell.).-S. piliferum.—S. dichotomum, DC. (S. mucronifolium, Hook. Candollea dichotoma, Muell.). Low, the scapes 2-4 in. high and glandular-pubescent: lvs. narrowly linear, acute, scattered between tufts at base and top: fls. yellow in a glandular-hairy compound raceme or panicle. B.M. 4538. F.S. 6:606 (as S. Hookeri). J.F. 1:59.— S. graminifolium, Swartz (S. Armeria, Labill. Candollea graminifolia, Muell.). Tufted or somewhat proliferous, the scapes 6-18 in. high: lvs. rather rigid, linear, sometimes denticulate: fls. pink, nearly sessile in a raceme or interrupted spike. B.R. 90. B.M. 1918. J.F. 3:286.—S.piliferum, R. Br. Tufted, lvs. linear and hair-pointed, the plant with yellow glandular hairs: scape 6-12 in. high, bearing a raceme or panicle of yellow or whitish or pinkish fls., the corolla-throat not appendaged. B.M. 3883 (as S. ciliatum); 4529 (as S. saxifragoides). J.F. 1:34.

S. adnatum, R. Br. (Candollea adnata, Muell.), has mostly very narrow or linear lvs. scattered along the st., the upper ones crowded in a terminal tuft: fls. pink, nearly sessile in compound racemes or spike-like panicles: sts. 12 in. or less long.—S. Brunonianum, Benth. (Candollea Brunoniana, Muell.). Tufted or rarely proliferous, the radical lvs. linear to oblanceolate: scapes 12-18 in. high, with whorls of narrow lvs., and bearing many small pink fls., the corolla-throat appendaged,—S. ciliatum, Lindl. (S. saxifragoides, Lindl. Candollea ciliata, Muell.).-S. piliferum.—S. dichotomum, DC. (S. mucronifolium, Hook. Candollea dichotoma, Muell.). Low, the scapes 2-4 in. high and glandular-pubescent: lvs. narrowly linear, acute, scattered between tufts at base and top: fls. yellow in a glandular-hairy compound raceme or panicle. B.M. 4538. F.S. 6:606 (as S. Hookeri). J.F. 1:59.— S. graminifolium, Swartz (S. Armeria, Labill. Candollea graminifolia, Muell.). Tufted or somewhat proliferous, the scapes 6-18 in. high: lvs. rather rigid, linear, sometimes denticulate: fls. pink, nearly sessile in a raceme or interrupted spike. B.R. 90. B.M. 1918. J.F. 3:286.—S.piliferum, R. Br. Tufted, lvs. linear and hair-pointed, the plant with yellow glandular hairs: scape 6-12 in. high, bearing a raceme or panicle of yellow or whitish or pinkish fls., the corolla-throat not appendaged.

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==Cultivation==

==Cultivation==

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[[File:Stylidium graminifolium cultivation.jpg|thumb|right|223px|''[[Stylidium graminifolium]]'' is available in cultivation with two [[cultivar]]s: 'Tiny Trina' and 'Little Sapphire'.]]

Most ''Stylidium'' species tend to be hardy species and can be easily cultivated in greenhouses or gardens.  They are drought resistant, hardy to cold weather, and the species diversity in this genus gives gardeners a wide variety of choices. Most species that are native to Western Australia will be cold hardy to at least -1 to -2°C. The few that can be found all over Australia, like ''[[Stylidium graminifolium|S. graminifolium]]'', will tolerate a wider range of habitat since their native ranges includes a great diversity of [[ecoregion]]s. Some species of triggerplants are suitable for cultivation outdoors outside of the Australian continent including most of the [[United Kingdom]] and as far north as [[New York City]] or [[Seattle]] in the [[United States]].<ref name="Darnowski" />

 

Cultivation from seed may be difficult or easy, depending on the species. The more difficult species to grow include the ones that require a period of dormancy or smoke treatment to simulate a [[bushfire]]. ''Stylidium'' specimens should be grown in a medium that is kept moist and has a relatively low concentration of nutrients. It should also be noted that they appear to be sensitive to disturbance of their root systems. Minimization of such disturbance will likely result in healthier plants.<ref name="Darnowski" />

===Propagation===

===Propagation===

 

===Pests and diseases===

===Pests and diseases===

 

==Species==

==Species==

==Gallery==

==Gallery==

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File:Stylidium affine flower1.jpg| photo 1

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==References==

==References==

<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->

<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->

<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->

<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->

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