Thurniaceae


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Thurniaceae

[‚thər·nē′ās·ē‚ē]
(botany)
A small family of monocotyledonous plants in the order Juncales distinguished by an inflorescence of one or more dense heads, vascular bundles of the leaf in vertical pairs, and silica bodies in the leaf epidermis.
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Familias ausentes en el Caribe (35): Adoxaceae, Alzateaceae, Amaryllidaceae, Anisophylleaceae, Apodanthaceae, Betulaceae, Bonnetiaceae, Calceolariaceae, Columelliaceae, Cornaceae, Cyrillaceae, Dipterocarpaceae, Droseraceae, Elatinaceae, Escalloniaceae, Gnetaceae, Goupiaceae, Haloragaceae, Hamamelidaceae, Hydrangeaceae, Ixonanthaceae, Juglandaceae, Juncaginaceae, Lepidobotryaceae, Metteniusaceae, Mitrastemonaceae, Phrymaceae, Phyllonomaceae, Potamogetonaceae, Rapateaceae, Strelitziaceae, Thurniaceae, Tofieldiaceae, Triuridaceae y Velloziaceae.
Familias solamente representadas en Amazonia y Orinoquia: hay cuatro familias Picrodendraceae, Strelitziaceae, Thurniaceae y Velloziaceae, que representan el 1.
Las juncaceas fueron ubicadas por Cronquist (1981) en la subclase Commelinidae y el orden Juncales junto con Thurniaceae.
Los analisis filogeneticos han comprobado la monofilia de Juncaceae, una vez excluido Prionium, genero arbustivo monotipico del sur de Africa, y transferido finalmente a Thurniaceae (Munro y Linder, 1998).
As familias Typhaceae e Thurniaceae so ocorreram no rio Acara, nos maiores valores de condutividade eletrica do gradiente, enquanto Vitaceae e Convolvulaceae so ocorreram no outro extremo do gradiente, no rio Cuiuni (Figura 3 a).
Given the short branch lengths that separate the four major commelinid lineages (Arecaceae, Commelinales/Zingiberales, Dasypogonaceae, Poales), future morphological cladistic analysis will require considerable comparative data, not only on the structure of these poorly-known plants, but also for a wide range of commelinid monocots, including Rapateaceae and Thurniaceae (Fig.
molecular data place it as sister to Thurniaceae (e.
All taxa listed in Poales (Table I) have secretory tapeta, except for Sparganiaceae and Typhaceae (a sister pair, both plasmodial) and some "unknown" taxa, notably Hydatellaceae and Thurniaceae, for which more data are required.
14B) Juncaceae Crassinucellate Marantaceae Crassinucellate Mayacaceae Tenuinucellate Musaceae Crassinucellate Philydraceae Crassinucellate Poaceae Tenuinucellate or crassinucellate Pontederiaceae Crassinucellate Rapateaceae Crassinucellate Restionaceae Tenuinucellate (except dlexgeorgia) Sparganiaceae Crassinucellate Strelitziaceae Crassinucellate Thurniaceae Unknown Typhaceae Crassinucellate Velloziaceae Tenuinucellate Xyridaceae Tenuinucellate Zingiberaceae Crassinucellate Family References(*) Anarthriaceae Linder & Rudall, 1993 Arecaceae Dahlgren et al.