Panicum
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Panicum (panicgrass)[2] is a large genus of about 250 species of grasses mostly native to tropical regions.
Description
The flowers are produced in a well-developed panicle often up to Template:Cvt in length with numerous seeds, which are Template:Cvt long and Template:Cvt broad. The fruits are developed from a two-flowered spikelet. Only the upper floret of each spikelet is fertile; the lower floret is sterile or staminate. Both glumes are present and well developed.[3][4][5][6][7][8]
Taxonomy
Phylogenetic studies found the genus as previously circumscribed was polyphyletic, and several species have been reassigned to other genera. Most species in section Stolonifera of subgenus Phanopyrum were transferred to Ocellochloa, while P. venezuelae was placed in the new monotypic genus Drakkaria.[9]
Well-known species include P. miliaceum (proso millet) and P. virgatum (switchgrass).
Selected species
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Formerly placed here
Species formerly classified in genus Panicum include: Script error: No such module "Template wrapper".
Distribution
The genus is native throughout the tropical regions of the world, with a few species extending into the northern temperate zone.[1] They are often large, annual or perennial grasses, growing to Template:Cvt tall.[11][12]
Australia has 29 native and 9 introduced species of Panicum.[13][14][15]
Gallery
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P. miliaceum (Proso)
References
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- ^ a b Template:Cite POWO
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- ^ Flora of China Vol. 22 Page 504 黍属 shu shu Panicum Linnaeus, Sp. Pl. 1: 55. 1753.
- ^ Flora of Pakistan
- ^ Altervista Flora Italiana, genere Panicum includes photos and distribution maps of several species
- ^ Biota of North America Program 2013 county distribution maps
- ^ Valdés-Reyna, J., F. O. Zuloaga, O. Morrone & L. Aragón Melchor. 2009. "El género Panicum (Poaceae: Panicoideae) en el noreste de México". Boletín de la Sociedad Botánica de México 84: 59–82.
- ^ Morrone, O., A. M. Antón & F. O. Zuloaga. 1995. "Axonopus". Flora Fanerogámica Argentina. 19(1): 11–16
- ^ Christian Silva, Júlia da Costa Hillmann, Juan Manuel Acosta, Reyjane Patrícia Oliveira, Fernando Omar Zuloaga, One more step into the resolution of Panicum (Poaceae) polyphyly: Drakkaria, a new segregate genus from neotropical Seasonally Dry Tropical Forests, Botanical Journal of the Linnean Society, Volume 207, Issue 3, March 2025, Pages 208–224, https://doi.org/10.1093/botlinnean/boae044
- ^ *Page Module:Citation/CS1/styles.css has no content.Britton, Nathaniel; Brown, Addison (1896). An illustrated flora of the northern United States, Canada and the British Possessions From Newfoundland to the Parallel of the Southern Boundary of Virginia, and from the Atlantic Ocean Westward to the 102d Meridian. Vol. I, Ophioglossaceae to Aizoaceae. Charles Scribner's Sons. pp. 612. page 123
- ^ Freckmann, R. W. & M. G. Lelong. 2002. Nomenclatural changes and innovations in Panicum and Dichanthelium (Poaceae: Paniceae). Sida 20(1): 161–174
- ^ Valdes, B. & H. Scholz. 2006. "The Euro+Med treatment of Gramineae - a generic synopsis and some new names". Willdenowia 36(2): 657–669
- ^ Grasses of the Tweed Valley of NSW: An introductory field guide to locally common grasses: native and introduced, compiled by Penny Watsford, Nullum Publications, 2004 Template:ISBN)
- ^ Ausgrass2, Grasses of Australia
- ^ Page Module:Citation/CS1/styles.css has no content."Atlas of Living Australia". Atlas of Living Australia. Archived from the original on 2016-05-27. Retrieved 2015-02-02.
External links
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