2.18. Utricularia nana A.St.-Hil. & Girard, Compt. Comptes Rendus Hebdomadaires des Séances de l’Académie des Sciences 7: 869 (1838). [Figs. 1 and 7D].

Terrestrial or helophyte. Aerial linear leaves. Slender and flexible scape. Basifixed and free bracts and bracteoles, entire margins. Ascending pedicels in fruits. Sepals with conspicuous nerves, prominent/ridged only on the upper sepal, plan and entire margins, auriculate. Yellow corolla, non-gibbous palate, oblong upper lip and shorter than the upper sepal, galeate lower lip, straight and acute spur, longer than and perpendicular to the lower lip. Longitudinally dehiscing capsule.

Selected material:— Abaíra, Catolés, Campo do Bicota, 04 May 1999, fl. and fr., G.L. Campos 46 (HUEFS, HRB) ; Camaçari, km 15 da estrada Camaçari-Dias d’Ávila, 14 August 2003, fl., F. Rivadavia 1692 (SPF) ; Ibicoara, estrada para a cachoeira do Buracão, 12 July 2005, fl., F. Rivadavia 1994 (SPF) ; Ituberá, Jatimane, estrada para Pratigi, 05 May 2000, fl., R.P. Oliveira 553a (HUEFS) ; Maraú, estrada entre Itacaré-Maraú, 12 June 1979, fl., S.A. Mori 11928 (CEPEC) ; Rio de Contas, Serra do Marcelino, 02 February 1997, fl., M.L. Guedes 4860 (ALCB) .

Comments:— Utricularia nana can be confused with U. adpressa and U. juncea (see comments section in these species). In Bahia state, this species is found in campos rupestres and restingas.