Nautilocalyx

Nautilocalyx is a genus of plants in the family Gesneriaceae. Its native range stretches from Costa Rica to southern Tropical America and to Trinidad. It is also found in Bolivia, Brazil, Colombia, Costa Rica, Ecuador, French Guiana, Guyana, Panamá, Peru, Suriname, Trinidad-Tobago and Venezuela.

Species
Plants of the World Online (Kew) accepts 41 species;
 * Nautilocalyx adenosiphon (Leeuwenb.) Wiehler
 * Nautilocalyx aeneus (Linden & André) Wiehler
 * Nautilocalyx arenarius L.E.Skog & Steyerm.
 * Nautilocalyx bicolor (Hook.) Wiehler
 * Nautilocalyx biserrulatus Kriebel
 * Nautilocalyx bracteatus (Planch.) Sprague
 * Nautilocalyx bryogeton (Leeuwenb.) Wiehler
 * Nautilocalyx bullatus (Lem.) Sprague
 * Nautilocalyx cataractarum Wiehler
 * Nautilocalyx chimantensis L.E.Skog & Steyerm.
 * Nautilocalyx coccineus Feuillet & L.E. Skog
 * Nautilocalyx colombianus Wiehler
 * Nautilocalyx colonensis Wiehler
 * Nautilocalyx cordatus (Gleason) L.E.Skog
 * Nautilocalyx decumbens (Mart.) Wiehler
 * Nautilocalyx dressleri Wiehler
 * Nautilocalyx ecuadoranus Wiehler
 * Nautilocalyx fasciculatus L.E.Skog & Steyerm.
 * Nautilocalyx forgetii (Sprague) Sprague
 * Nautilocalyx glandulifer Wiehler
 * Nautilocalyx hirsutus (Sprague) Sprague
 * Nautilocalyx hirtiflorus (Spruce ex Hanst.) Sprague
 * Nautilocalyx kohlerioides (Leeuwenb.) Wiehler
 * Nautilocalyx lucianii (Linden & E. Fourn.) Wiehler
 * Nautilocalyx lynchii (Hook. f.) Sprague
 * Nautilocalyx maguirei L.E.Skog & Steyerm.
 * Nautilocalyx melittifolius (L.) Wiehler
 * Nautilocalyx membranaceus (C.V.Morton) Wiehler
 * Nautilocalyx mimuloides (Benth.) C.V.Morton
 * Nautilocalyx mulfordii Wiehler
 * Nautilocalyx pallidus (Sprague) Sprague
 * Nautilocalyx panamensis (Seem.) Seem.
 * Nautilocalyx peltatus (C.V. Morton) Wiehler
 * Nautilocalyx pemphidius L.E.Skog
 * Nautilocalyx peruvianus Wiehler
 * Nautilocalyx picturatus L.E. Skog
 * Nautilocalyx pictus (Hook.) Sprague
 * Nautilocalyx porphyrotrichus (Leeuwenb.) Wiehler
 * Nautilocalyx punctatus Wiehler
 * Nautilocalyx purpurascens Kriebel
 * Nautilocalyx resioides (Leeuwenb.) Wiehler
 * Nautilocalyx silvaticus (Cuatrec.) Wiehler
 * Nautilocalyx speciosus Wiehler
 * Nautilocalyx urticifolius (Leeuwenb.) Wiehler
 * Nautilocalyx villosus (Kunth & C.D.Bouché) Sprague
 * Nautilocalyx vinosus Wiehler
 * Nautilocalyx whitei Rusby

Other sources

 * USDA Germplasm Resources Information Network (GRIN) entry
 * Brummitt, R. K. 1993. Report of the Committee for Spermatophyta: 39. Taxon 42:878.
 * Feuillet, C. & L. E. Skog. 1990. (991) Proposal to conserve 7857a Nautilocalyx against Centrosolenia (Gesneriaceae: Gesnerioideae). Taxon 39:691–693.