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jdjohnson bouteloua white-whorled lupine (Lupinus densiflorus)

This taxon is a duplicate of https://www.inaturalist.org/taxa/57058-Lupinus-microcarpus-densiflorus. We should decide which taxonomy to follow and merge accordingly.

Jan. 28, 2020 23:47:50 +0000 cgbc

Swapped L. m. densiflorus to L. densiflorus.

Comments

Looks like POWO accepts Lupinus densiflorus, but treats L. microcarpus var. densiflorus as a synonym of L. microcarpus instead. :?

http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:504768-1#synonyms
http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:504366-1

Posted by bouteloua about 4 years ago

POWO is evidently inconsistent here. L. microcarpus var. densiflorus is indeed a synonym of L. densiflorus, listed as such by COSEWIC and others.

Lupinus microcarpus var. densiflorus should be swapped to Lupinus densiflorus var. densiflorus.

https://www.canada.ca/en/environment-climate-change/services/species-risk-public-registry/cosewic-assessments-status-reports/dense-flowered-lupine/chapter-5.html

Posted by cgbc about 2 years ago

POWO has updated since my comment 2 years ago, they now list L. microcarpus var. densiflorus as a synonym of L. densiflorus: https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:145539-2

This is what would typically happen:
L. microcarpus var. densiflorus --merged into--> L. densiflorus
L. microcarpus var. horizontalis --merged into--> L. horizontalis
L. microcarpus var. microcarpus --merged into--> L. microcarpus
L. microcarpus (sensu lato) --split into--> L. densiflorus + L. horizontalis + L. microcarpus (sensu stricto)

Does that appear to be a complete list of needs?

Looks like Calflora still has these as varieties and not species, so pinging a few people for thoughts: @sedgequeen @boschniakia @bstarzomski @grnleaf @jrebman

Posted by bouteloua about 2 years ago

Yes, thanks! Except L. microcarpus var. densiflorus should be merged in merged into--> L. densiflorus var. densiflorus, rather than just to species-level. All observations of such are specifically of the variety rather than other var. of L. densiflorus.

Posted by cgbc about 2 years ago

Is there a source for that synonymy?

Posted by bouteloua about 2 years ago

I haven't looked for one, it's just seemingly the case by going through observations of L. microcarpus var. densiflorus. However, looking at overlap regions there are indeed some of other varieties mixed in. I agree that it should be merged at species-level in reflection, with perhaps the exception of the disjunct population in Washington/British Columbia where all 106 observations are indeed of L. d. var. densiflorus, the sole variety that forms that population and the only variety in both jurisdictions. Thanks!

Posted by cgbc about 2 years ago

I'm glad POWO got the synonymy sorted out. I'm not sure what to do about the divergence from Jepson and the Oregon Flora Project, which considers L. densiflorus fully synonomized with L. microcarpus and not even a variety.

Posted by jdjohnson about 2 years ago

I'm hoping the soon-to-be-published Lupines of California will help with this, but knowing lupines I kind of doubt it.

Posted by boschniakia about 2 years ago

I've gone ahead and committed this swap as it is in agreement with POWO/COL and fixes the problem of there being 2 active taxa for the same individual taxon.

I hadn't seen this problem before 2022 but a number of recent plant splits have been done by just adding the new full species without swapping/inactivating the old subspecific-level taxon, leaving 2 active taxa on iNat for the same taxon.

Posted by cgbc almost 2 years ago

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