The small neotropical genus Thurnia is best known for constituting the family Thurniaceae, in the monocots. Ervas pernes, robustas, paludosas; folhas alternas espiraladas, formando roseta basais, paralelinérveas. Inflorescência em glomérulo denso, subtendido por diversas brácteas, no ápice de um escapo triangular ou quadrangular, ou disposta em panículas, flores não vistosas, escariosas, bissexuadas, actinomorfas, diclamídeas e heteroclamídeas, cálice trímero, dialissépalo, prefloração valvar, corola trímera, dialipétala, prefolaração valvar, estames 6, anteras rimosas, nectários septais ausentes, gineceu gamocarpelar, ovário súpeo, trilocular, placentação axial, uni a pluriovulado, estiletes livres entre si ou unidos apenas na base. Fruto cásula. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Divisions Green algae land plants (embryophytes) non-vascular embryophytes Hepatophyta - liverworts Anthocerophyta - hornworts Bryophyta - mosses vascular plants (tracheophytes) seedless vascular plants Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongue ferns seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering... Classes Magnoliopsida - Dicots Liliopsida - Monocots The flowering plants (also angiosperms or Magnoliophyta) are one of the major groups of modern plants, comprising those that produce seeds in specialized reproductive organs called flowers, where the ovulary or carpel is enclosed. ... Orders Base Monocots: Acorus Alismatales Asparagales Dioscoreales Liliales Pandanales Family Petrosaviaceae Commelinids: Arecales Commelinales Poales Zingiberales Family Dasypogonaceae Monocotyledons or monocots are a group of flowering plants usually ranked as a class and once called the Monocotyledoneae. ... Families (APG) Anarthriaceae Bromeliaceae Centrolepidaceae Cyperaceae Ecdeiocoleaceae Eriocaulaceae Flagellariaceae Hydatellaceae Joinvilleaceae Juncaceae Mayacaceae Poaceae Rapateaceae Restionaceae Sparganiaceae Thurniaceae Typhaceae Xyridaceae The Poales is a cosmopolitan order of monocotyledonous flowering plants. ... Joseph Dalton Hooker Dr. Sir Joseph Dalton Hooker, GCSI , OM , FRS , MD (June 30, 1817 – December 10, 1911) was an English botanist and traveller. ... Orders Base Monocots: Acorus Alismatales Asparagales Dioscoreales Liliales Pandanales Family Petrosaviaceae Commelinids: Arecales Commelinales Poales Zingiberales Family Dasypogonaceae Monocotyledons or monocots are a group of flowering plants usually ranked as a class and once called the Monocotyledoneae. ...

Reference :

• Thurniaceae in L. Watson and M.J. Dallwitz (1992 onwards). The families of flowering plants: descriptions, illustrations, identification, information retrieval. http://delta-intkey.com

 Souza, V.C, & Lorenzi, H. Botanica Sistemática: guia ilustrado para identificação da flora brasileira, baseado em APG II, Nova Odessa, SP: Instituto Plantarum, 2005.