Contains 3 accepted taxa overall.

Characteristics
Burmannia L.
BLUETHREAD
Classification
DIOSCOREALES
Burmannia
Citation
BURMANNIA Linnaeus, Sp. Pl. 287. 1753.
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TYPE: Burmannia disticha Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 547. 1913.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Burmannia biflora BLUETHREAD Native OBL (NWPL) OBL (DEP)
Burmannia capitata SOUTHERN BLUETHREAD Native OBL (NWPL) OBL (DEP)
Burmannia flava FAKAHATCHEE BLUETHREAD; FAKAHATCHEE BURMANNNIA Native Endangered-State OBL (NWPL) OBL (DEP)
[Family identification key]
1.  Inflorescences usually appearing capitate; flowers 3-angled, wings if present <⅕ as wide as flower; perianth whitish; the inner perianth lobes usually less than 2/3 length of outer lobes
1.  Inflorescences loosely flowered cymes or flowers solitary; flowers distinctly 3-winged, wings >⅓ as wide as flower; perianth blue, violet, yellow, or greenish; inner perianth lobes 2/3 to nearly equaling length of outer lobes
2
2.  Basal leaves absent; flowers bluish with perianth lobes paler, often cream-colored;
2.  Basal leaves present; flowers yellow or greenish;
Genus Synonyms
Synonym Full Citation Basionym Type
Cryptonema Cryptonema Turczaninow, Bull. Soc. Imp. Naturalistes Moscou 21(1): 590. 1848, non Cryptonemia Agardh 1842. TYPE: Cryptonema malaccensis Turczaninow = Nephrocoelium Turczaninow 1853.
Gonianthes Gonianthes Blume, Catalogus 19. 1823. TYPE: Gonianthes candida Blume
Maburnia Maburnia Du Petit-Thouars, Gen. Nov. Madag. 4. 1806. TYPE: Non designatus.
Nephrocoelium Nephrocoelium Turczaninow, Bull. Soc. Imp. Naturalistes Moscou 26(1): 287. 1853. TYPE: Nephrocoelium malaccense (Turczaninow) Turczaninow (Cryptonema malaccensis Turczinanow) Substitute name for Cryptonema Turczaninow 1848, non Cryptonemia Agardh 1842.
Tripterella Tripterella Michaux, Fl. Bor.-Amer. 1: 19. 1803. TYPE: Tripterella capitata (J. F. Gmelin) Michaux (Vogelia capitata J. F. Gmelin) = Vogelia J. F. Gmelin 1791.
Vogelia Vogelia J. F. Gmelin, Syst. Nat. 2: 107. 1791. TYPE: Vogelia capitata J. F. Gmelin