heterotypic synonyms:
Bihai angusta (Vell.) Griggs; Bihai angustifolia (Hook.) Kuntze; Heliconia angustifolia Hook.; Heliconia aurorea Emygdio & E.Santos; Heliconia bicolor Benth.; Heliconia bidentata Barreiros; Heliconia citrina Emygdio & E.Santos; Heliconia fluminensis Emygdio & E.Santos; Heliconia lacletteana Emygdio & E.Santos; Heliconia laneana Barreiros;
protologue: Fl. Flumin. 3: 106, t. 20 (1829)
5 503006 Heliconia angusta Vell.B. Maund, J.S. Henslow, Botanist, vol. 2 : t. 101 (1838)
5 503006 Heliconia angusta Vell.E.A. von Regel, Gartenflora, vol. 5 : t. 172 (1856)
6 503006 Heliconia angusta Vell.Ann. Soc. Roy. Agric. Gand, vol. 5 : t. 285 (1849)
6 503006 Heliconia angusta Vell.W. Curtis, Bot. Mag., vol. 75 [ser. 3, vol. 5]: t. 4475 (1849) [W.H. Fitch]
6 503006 Heliconia angusta Vell.L.B. Van Houtte, Fl. Serres, vol. 5 : p. 529 (1849)