Burmannia biflora

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Northern bluethread
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Dioscoreales
Family: Burmanniaceae
Genus: Burmannia
Species: B. biflora
Binomial name
Burmannia biflora
  • Tripterella biflora (L.) Schult. & Schult. f.
  • Tripterella coerulea Nutt.

Burmannia biflora, common name northern bluethread, is a plant species native to Cuba, the Bahamas and to the southeastern United States. It has been reported from Puerto Rico, eastern Texas, Louisiana, southwestern Arkansas (Hempstead County), southern Mississippi, southern Alabama, Florida, Georgia, South Carolina, North Carolina and southeastern Virginia.[2][3][4]

Burmannia biflora grows in wet areas (bogs, swamps, ditches, lake shores, etc.) at elevations less than 100 m. It is an annual herb up to 20 cm tall. Flowers are borne in a loose cyme of up to 12 flowers, blue, 3-winged, sometimes white around the edges.[2][5][6]


  1. ^ Tropicos
  2. ^ a b "Burmannia biflora in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2017-01-14. 
  3. ^ BONAP (Biota of North America Program) floristic synthesis, Burmannia biflora
  4. ^ Maas, P. J. M., H. Maas van de Kamer, J. v. Benthem, H. C. M. Snelders & T. Rübsamen. 1986. Burmanniaceae. Flora Neotropica 42: 1–189.
  5. ^ Radford, A. E., H. E. Ahles & C. R. Bell. 1968. Manual of the Vascular Flora of the Carolinas i–lxi, 1–1183. University of North Carolina Press, Chapel Hill.
  6. ^ Long, R. W. & O. K. Lakela. 1971. Flora of Tropical Florida: A Manual of the Seed Plants and Ferns of Southern Peninsular Florida i–xvii, 1–962. Coral Gables: University of Miami Press.