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Pooideae

Pooideae
Clasificación científica
Reinu: Plantae
División: Magnoliophyta
Clas: Liliopsida
Orde: Poales
Familia: Poaceae
Subfamilia: Pooideae
Benth.
Subdivisiones
Ver testu.
Sinonimia
    • Agrostidoideae Kunth ex Beilschm. (1833)
    • Anthoxanthoideae Link (1827)
    • Avenoideae Link (1827)
    • Cynosuroideae Link (1827)
    • Echinarioideae Link (1827)
    • Festucoideae Link (1827)
    • Glycerioideae Link (1827)
    • Hordeoideae Burmeist. (1837)
    • Phalaridoideae Burmeist. (1837)
    • Secaloideae Rouy (1913)
    • Stipoideae Burmeist. (1837)
Consultes
[editar datos en Wikidata]

Pooideae ye una subfamilia de les poáceas (gramínees). Entiende les siguientes tribus: Ampelodesmeae, Aveneae, Brachyelytreae, Brachypodieae, Bromeae, Brylkinieae, Diarrheneae, Hainardieae, Lygeeae, Meliceae, Nardeae, Phaenospermatideae, Poeae, Stipeae y Triticeae.

Les poóideas presenten oligosacáridos derivaos de la fructosa nel tarmu, les ramificaciones principales de la inflorescencia son dísticas, la lemma usualmente consta de 5 nervios. Presenten cromosomes usualmente llongures y el númberu cromosómico básicu ye x=7, más raramente x=2, 4, 5 ó 6. Tien una distribución predominantemente templada, especialmente nel Hemisferiu Norte. La subfamilia inclúi unes 3.300 especies. Ente los xéneros sobresalientes inclúyense importantes ceberes, como'l trigu, la cebada y l'avena, y tamién al centenu (Secale cereale), a les camperes utilizaes pa verde (como Poa, con 500 especies), pa segáu (Festuca, 450 especies), pa pasturas (como Phleum, Dactylis), y delles meruxes (como Agrostis, con 220 especies, y Poa). Otros xéneros importantes d'esta subfamilia son Stipa (300 especies), Calamagrostis (270 especies), Bromus (150 especies), y Elymus (150 especies).

  • Sinonimia: Aegilopaceae Martynov, Agrostidaceae Burnett, Alopecuraceae Martynov, Avenaceae Martynov, Festucaceae Pfeiffer, Hordeaceae Burnett, Melicaceae Martynov, Nardaceae Martynov, Phalaridaceae Burnett, Stipaceae Burnett, Triticaceae Hochst.

Referencies

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Enllaces esternos

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Pooideae
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