Stylidium subg. Tolypangium
{{Short description|Subgenus of flowering plants}}
{{Automatic taxobox
|image = Curtisstylidium.jpg
|image_caption = Curtis's Botanical Magazine print of Stylidium scandens, a member of subgenus Tolypangium, section Verticillatae.
|taxon = Stylidium subg. Tolypangium
|subdivision_ranks = Sections
|subdivision = Despectae
}}
Tolypangium is a subgenus of the genus Stylidium that is characterized by ovoid to longish capsules. This subgenus was part of the earliest taxonomic division among the triggerplants (genus Stylidium). Stephan Ladislaus Endlicher first split the genus into two subgenera in 1838: Tolypangium with its ovoid capsules and Nitrangium with its linear capsules. Subsequent authors generally followed this classification, which is based almost entirely on the features of the capsule.{{cite book|author=Erickson, Rica|year=1958|title= Triggerplants|place= Perth, Western Australia|publisher= Paterson Brokensha Pty. Ltd.}} Recent genetic analysis, combined with an exhaustive morphological comparison, has revealed that the classification defined by Johannes Mildbraed in 1908 is not the most accurate description of how the members of different subgenera and sections are related.{{cite journal|author=Laurent, N., Bremer, B., and Bremer, K. |year=1999 |title= Phylogeny and generic interrelationships of the Stylidiaceae (Asterales), with a possible extreme case of floral paedomorphosis |journal=Systematic Botany |volume= 23|issue=3|page= 289-304|doi=10.2307/2419506 |jstor=2419506 |url=https://www.researchgate.net/publication/271761563}}{{cite journal|author=Wagstaff, S.J. and Wege, J. | year=2002 |title= Patterns of diversification in New Zealand Stylidiaceae |journal=American Journal of Botany|volume= 89|issue=5|page= 865-874| doi=10.3732/ajb.89.5.865 |url=https://bsapubs.onlinelibrary.wiley.com/doi/full/10.3732/ajb.89.5.865}} As part of the Flora of Australia series, Juliet Wege will be reviewing and updating the taxonomy of the Stylidiaceae.{{cite web|url=https://www.anbg.gov.au/biography/wege-juliet-ann.html#:~:text=Wege%2C%20Juliet%20Ann%20(1971%20%2D,Stylidiaceae)%3A%20a%20systematic%20perspective%22.|title=Wege, Juliet Ann (1971 - )|year=2024|author=Australian National Herbarium |accessdate=2024-07-16|website=anbg.gov.au}}
References
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