Monographs Details: Utricularia guyanensis A.DC.
Authority: Maguire, Bassett. 1967. The botany of the Guayana Highland--Part VII. Mem. New York Bot. Gard. 17: 1-439.
Family:Lentibulariaceae
Description:Distribution and Ecology - Wet sand on savannas from sea level to alt 360 m, Trinidad, British Honduras and the Guianas. BRITISH GUIANA. Kaieteur PlateauMaguire & Fanshawe 23200 (K, NY, YEN) ; Upper Mazaruni River Basin, Par-tang River, Maguire, Tillett & Tillett 43829 (NY) ; Rupununi River, 20 miles S of Lethem on Wichabi road, Cook 191 (K, NY). SURINAME. Zanderij, Maguire & Stahel 23687 (NY, VEN).

Discussion:

Utricularia peckii Blake, Contr. Gray Herb. 52: 90. 1917. Type British Honduras Peck 371 (K).

Utricularia rubricaulis Tutin, Jour. Bot. 72 : 312. 1934. Type. British Guiana Kaieteur Savanna, Tutin 669 (BM, K).

Type. ‘Cayenne’in Herb. DC. (holotype G).

The long geniculate filaments of this species are unique in the genus. Corolla color is variously described as orange, yellow or white.

Distribution:Trinidad and Tobago South America| Honduras Central America| Guyana South America| Suriname South America|