Pinguicula vulgaris

Pinguicula vulgaris, the common butterwort, is a perennial carnivorous plant in the bladderwort family, Lentibulariaceae. It grows to a height of 3–16 cm, and is topped with a purple, and occasionally white, flower that is 15 mm or longer, and shaped like a funnel. This butterwort grows in damp environments such as bogs and swamps, in low or subalpine elevations.[1] It has a generally circumboreal distribution, being native to almost every country in Europe as well as Russia, Canada, and the United States.[2] Being native to environments with cold winters, they produce a winter-resting bud (hibernaculum). There are three forms originating from Europe: P. vulgaris f. bicolor which has petals that are white and purple; P. vulgaris f. albida which has all white petals; and P. vulgaris f. alpicola which has larger flowers.[3] The taxonomic status of these forms is not universally recognised - see e.g. The Plant List.[4]

Pinguicula vulgaris
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lentibulariaceae
Genus: Pinguicula
Species:
P. vulgaris
Binomial name
Pinguicula vulgaris
Whole plant, Norway
Pinguicula vulgaris near Mývatn, northern Iceland

References
  1. Plants of the Pacific Northwest. Lone Pine Publishing, 1994. p. 351
  2. Anderberg, Arne. "Den Virtuella Floran, Pinguicula vulgaris L." Naturhistoriska riksmuseet, Stockholm, Sweden.
  3. The Savage Garden, Revised: Cultivating Carnivorous Plants. Random House LLC, 2013.
  4. "The Plant List (2013). Version 1.1.: Pinguicula vulgaris L." London, U.K.: Royal Botanic Gardens, Kew and Missouri Botanic Garden. Retrieved 2 September 2016.
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