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quinkin Swamp Trigger Plant (Stylidium uliginosum)

Stylidium uliginosum is misapplied to Stylidium tenerum

Jul. 3, 2022 20:55:22 +0000 kai_schablewski

resolved, see my comment

Comments

POWO currently has it the other way around: https://powo.science.kew.org/results?q=Stylidium%20tenerum
Is a deviation justified?

Posted by thebeachcomber almost 2 years ago

The Australian Plant Name index shows that Stylidium tenerum was applied to this taxon in 1826. So therefore it takes precedence over Stylidium uliginosa. Based on that evidence S. tenerum is valid and S. uliginosa is misapplied. I suggest that POWO is out of date.

https://biodiversity.org.au/nsl/services/search/names?product=APNI&tree.id=&name=Stylidium+tenerum+Spreng.&inc._scientific=&inc.scientific=on&inc._cultivar=&inc._other=&max=100&display=apni&search=true

Posted by quinkin almost 2 years ago

Misapplications generally mean that the name of both taxa is valid, and one has wrongly been used to mean the other by some author in some publication. It's important to note that they are not the same as synonyms, and we should not generally have misapplications listed as synonyms in our taxonomy.

As far as I understand, both Stylidium uliginosum and S. tenerum are valid taxa, and the name S. uliginosum has been wrongly used for Australian populations of S. tenerum in all the publications listed above.

I have deleted both Stylidium tenerum and Stylidium tenellum as names for S. uliginosum because the former is a misapplication, not a synonym, and the latter is a taxonomic synonym of the former, not of S. uliginosum.

It is not uncommon for POWO to take some time to catch up to concepts in APNI / APC, but they normally do, eventually.

Posted by mftasp almost 2 years ago

I have also created a deviation: https://www.inaturalist.org/taxon_framework_relationships/611890

@quinkin @thebeachcomber can you please run your eye over it? I think it captures the discussion.

Posted by mftasp almost 2 years ago

@mftasp looks good to me, thanks for that. So are we then manually changing IDs, or atlasing + swapping?

Posted by thebeachcomber almost 2 years ago

I haven't had a chance today to look into how to do the swap. Given that all Australian specimens will be S. tenerum it might be simpler to Atlas, but I don't know what the situation is outside Oz.

Posted by mftasp almost 2 years ago
Posted by mftasp almost 2 years ago

POWO now accepts both taxa as valid species and therefore I was able to commit the taxon split.

https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:826238-1

https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:826248-1

Stylidium tenellum R.Br., Prodr. Fl. Nov. Holland.: 571 (1810), nom. illeg. is a synonym of Stylidium tenerum Spreng. according to POWO, but because Stylidium tenellum Sw. ex Willd. is another accepted species I have not added this synonym yet to avoid further confusion.

Posted by kai_schablewski over 1 year ago

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