Utricularia stygia

Utricularia stygia
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Lentibulariaceae
Genus: Utricularia
Subgenus: Utricularia
Section: Utricularia
Species: U. stygia
Binomial name
Utricularia stygia
G.Thor

Utricularia stygia, the arctic bladderwort[1] or Northern bladderwort,[2] is an affixed aquatic carnivorous plant that belongs to the genus Utricularia. U. stygia is native to northern Europe and North America. This species was originally published by Göran Thor in 1987 but the description was not in Latin and was therefore nomenclaturally invalid. Thor validly published the species a year later. The cited difference that separates U. stygia from U. ochroleuca is the shape of the tiny quadrifid glands inside the bladders, specifically at which angle the "arms" of these glands diverge from one another. Thor, when working on the Utricularia of Sweden noted that this distinction alone allowed for consistent species identification. Both Barry Rice and Peter Taylor have expressed concerns regarding how this method applies to other populations around the world.[3][4]

See also

References

  1. "Utricularia stygia". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 2008-12-28.
  2. "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-02-25. Retrieved 2014-10-17.
  3. Taylor, Peter. (1989). The genus Utricularia - a taxonomic monograph. Kew Bulletin Additional Series XIV: London.
  4. Rice, Barry A. (2007). About Utricularia section Utricularia. The Carnivorous Plant FAQ. Accessed online: 20 January 2008.


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