Micrairoideae

Micrairoideae
Isachne globosa spikelets
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Spermatophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Clade: PACMAD clade
Subfamily: Micrairoideae
Pilg. (1956)
Tribes

Micrairoideae is a subfamily of the grass family Poaceae, distributed in tropical and subtropical regions.[1] Within the PACMAD clade, it is sister to subfamily Arundinoideae.[2]

It includes roughly 190 species in nine genera. A phylogenetic classification of the grasses recognises four main lineages, classified as tribes. Only species in tribe Eriachneae (genera Eriachne and Pheidochloa) have evolved the C4 photosynthetic pathway.[3]

Phylogeny

Relationships of tribes in the Micrairoideae according to a 2017 phylogenetic classification,[4] also showing the Arundinoideae as sister group:

Arundinoideae

Micrairoideae

References

  1. ^ Sánchen-Ken, J. Gabriel; Clark, Lynn G.; Kellogg, Elizabeth A.; Kay, Elma E. (2007). "Reinstatement and emendation of subfamily Micrairoideae (Poaceae)". Systematic Botany. 32 (1): 71–80. Bibcode:2007SysBo..32...71S. doi:10.1600/036364407780360102. ISSN 0363-6445. S2CID 85727105.
  2. ^ Grass Phylogeny Working Group II (2012). "New grass phylogeny resolves deep evolutionary relationships and discovers C4 origins". New Phytologist. 193 (2): 304–312. Bibcode:2012NewPh.193..304.. doi:10.1111/j.1469-8137.2011.03972.x. hdl:2262/73271. ISSN 0028-646X. PMID 22115274. Open access icon
  3. ^ Soreng, Robert J.; Peterson, Paul M.; Romschenko, Konstantin; Davidse, Gerrit; Zuloaga, Fernando O.; Judziewicz, Emmet J.; Filgueiras, Tarciso S.; Davis, Jerrold I.; Morrone, Osvaldo (2015). "A worldwide phylogenetic classification of the Poaceae (Gramineae)". Journal of Systematics and Evolution. 53 (2): 117–137. Bibcode:2015JSyEv..53..117S. doi:10.1111/jse.12150. hdl:11336/25248. ISSN 1674-4918. S2CID 84052108. Open access icon
  4. ^ Soreng, Robert J.; Peterson, Paul M.; Romaschenko, Konstantin; Davidse, Gerrit; Teisher, Jordan K.; Clark, Lynn G.; Barberá, Patricia; Gillespie, Lynn J.; Zuloaga, Fernando O. (2017). "A worldwide phylogenetic classification of the Poaceae (Gramineae) II: An update and a comparison of two 2015 classifications". Journal of Systematics and Evolution. 55 (4): 259–290. Bibcode:2017JSyEv..55..259S. doi:10.1111/jse.12262. hdl:10261/240149. ISSN 1674-4918. Open access icon
  • Wikispecies logo Data related to Micrairoideae at Wikispecies


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