Pinguicula lutea

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Common name: yellow butterwort[1]

Pinguicula lutea
Pinguicula lutea BM.JPG
Photo by John B hosted at
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Schrophulariales
Family: Lentibulariaceae
Genus: Pinguicula
Species: P. lutea
Binomial name
Pinguicula lutea
Natural range of Pinguicula lutea from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: none.[2]

Varieties: none.[2]


P. lutea is a terrestrial, scapose, perennial herb with a basal rosette. The leaves are rounded and entire, with a cuneate base, 1-6.5 cm long, and 0.8-2 cm wide. There are 1-8 scapes, glandular-pubescent, and 1-5 dm tall. The flower is solitary and ebracteate. The calyx is synsepalous near the base with 5, rarely 4 lobes. It is 4.5-6.5 mm long, glandular-pubescent, lobes 2.5-4.5 mm long. The corolla is yellow, 2-lipped, and 2-3.5 cm long. There are 5 lobes up to 1 cm long, spreading, and tubular throat. The capsules are globose or subglobose, longitudinally dehiscent, 3-4.5 mm in diameter. The seeds are brown, cancellate, oblong, and frequently acute at one end.[3]


P. lutea ranges from southeastern North Carolina to southern Florida, then west to eastern Louisiana.[2]



P. lutea can be found in pine savannas and wet pine flatwoods, mostly in the outer Coastal Plain, rarely extending inland to seepages and sandhill-pocosin ecotones in the fall-line Sandhills of SC.[4] Specimens have been collected from wet sands of shrub bog, low swampy ground, borders of a bay, low pine woods, wet prairie, roadside ditch, savanna ecotone, pine savanna, grassy savanna, pine flatwoods, longleaf pine wiregrass ridge, edge of swamp, and open pineland.[5]


P. lutea flowers from late March through May.[2]

Fire ecology

P.. lutea will re-sprout after a fire. It has been observed 40 days after a burn in a mesic pine savanna with a small depression marsh.[6] Populations are known to persist through repeated annual burning.[7]

Conservation, cultivation, and restoration

P. lutea is listed as threatened by the Florida Department of Agriculture & Consumer Services Division of Plant Industry.[1]

Cultural use

Photo Gallery

References and notes

  1. 1.0 1.1 Cite error: Invalid <ref> tag; no text was provided for refs named USDA Plant Database
  2. 2.0 2.1 2.2 2.3 Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
  3. Radford, A. E., Ahles, H. E., & Bell, C. R. (1968). Manual of the vascular flora of the Carolinas. Chapel Hill: University of North Carolina Press.
  4. Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  5. URL: Last accessed: June 2018. Collectors: Robert Kral, Robert K. Godrey, C.Jackson, S.R. Harrison, Delzie Demaree, Sidney McDaniel, R.M.S., S.W. Leonard, George Cooley, Joseph Monachino, Kathy Craddock Burks, Steve L. Orzell, Edwin L. Bridges, Luis Almodovvar, Elmar C. Prichard, Grady Reinert, Rosalind Thebaud, O. Lakela, S.C. Hood, Josephine Skehan, R.L. Wilbur, Clarke Hudson, Paul Lemon, W.P Adams, N.C. Henderson, F.S. Earle, Rodie White, Julie Neel, R. Komarek, M. Davis, Thomas E. Miller, Amanda Sang. States and counties: Florida (Liberty, Leon, Walton, Jefferson, Jackson, Gulf, Franklin, Pasco, Levy, martin, Clay, Volusia, Orange, St. Johns, Wakulla, Bay, Calhoun, Polk, Okaloosa, Santa Rosa, Washingotn) Georgia (Thomas, Grady, Berrien) Mississippi (Leon, Forrest, George, Jackson) North Carolina (Columbus) South Carolina (Charleston) Alabama (Baldwin)
  6. Observation by Edwin Bridges in Highlands County, Fl, December 28, 2015, posted to Florida Flora and Ecosystematics Facebook Group.
  7. Platt, W.J., R. Carter, G. Nelson, W. Baker, S. Hermann, J. Kane, L. Anderson, M. Smith, K. Robertson. 2021. Unpublished species list of Wade Tract old-growth longleaf pine savanna, Thomasville, Georgia.