Poa is a genus of about 500 species of grasses, native to the temperate regions of both hemispheres. The Spanish Empire brought the seeds of Kentucky bluegrass to the New World in mixtures with other grasses. Poa annua is annual bluegrass. FACU). Synonyms: Paneion pratense (L.) Lunell., several subspecies Common names: Kentucky bluegrass; smooth meadowgrass Poa pratensis (Kentucky bluegrass) is a perennial grass (family Poaceae) that has escaped cultivation and is found sporadically in many different habitats in California. VT. Subspecies pratensis is known from CT, MA, ME, NH, RI, VT. the state. The species is hermaphrodite (has both male and female organs) and is pollinated by Wind. Suitable pH: acid, neutral and basic (alkaline) soils. ssp. It prefers high sunlight areas but can do well in light shade if moisture and nutrients are sufficient. Blytt) Hiitonen, 2b.  Leaf blades sparsely pubescent on the adaxial surface, folded or involute, firm; intermediate veins of lemma glabrous; plants of lower elevation communities 
 agassizensis is known from only Aroostook County, This is a common lawn grass. advanced search... Login. … The slender culms are light green, terete to slightly flattened, glabrous, unbranched, and more or less erect; there are 2-5 alternate leaves per culm. State documented: documented This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. It is possible that more elements of the complex are present in Victoria, but without assessment of the range of Victorian material by one familiar with the European species, a broad circumscription of the species is … Kentucky blue grass is widely distributed across North America, and occurs in a wide variety of habitats. Its taxonomy is complicated by the occurrence of facultative apomixis and an extensive polyploid series. is shown on the map. CT, MA, ME, those considered historical (not seen in 20 years). There are four subspecies found in New England: one (Poa pratensis ssp. Kentucky bluegrass. It prefers soils of pH 6.0 to 7.5. MA, ME, VT by Kartesz (1999) was erroneous.  11c. P. pratensis The name Kentucky bluegrass derives from its flower heads, which are blue when the plant is allowed to grow to its natural height of 60 to 90 cm (2 to 3 feet). Poa pratensis is a herbaceous perennial plant 30–70 centimetres (12–28 in) tall. P. pratensis is a grass species from the family Poaceae. [Fig. 262]; intermediate nerves of the lemma pubescent or glabrous, 2a.  Leaf blades glabrous on the adaxial surface (rarely sparsely pubescent), flat or folded, relatively soft; intermediate veins of lemma usually pubescent; plants of open, alpine plateaus It is in flower from May to July. Width: 0 ft. 6 in. For the region of the state of Kentucky, see, "An Inventory of Remnant Prairie Grasslands Within the Central Parkland Natural Sub-Region of Alberta", Horticultural information on this turfgrass; growing it in the home garden, https://en.wikipedia.org/w/index.php?title=Poa_pratensis&oldid=995267102, Articles with unsourced statements from April 2018, Creative Commons Attribution-ShareAlike License, This page was last edited on 20 December 2020, at 02:30. Also covers ex English meadow-grass, Kentucky blue grass, Kentucky blue-grass, Kentucky bluegrass, meadow poa, meadow-grass, smooth meadow grass. Poa pratensis. pratensis – Kentucky bluegrass Exact status definitions can vary from state to evidence (herbarium specimen, photograph). Systematics – From the systematic point of view it belongs to the Eukaryota Domain, United Plantae, Magnoliophyta Division, Liliopsida Class, Poales Order, Poaceae Family, Subfamily Pooideae and therefore to the Genus Poa and to the P. pratensis Species. in 20 years). All Characteristics, the inflorescence branches are smooth or only slightly rough, the inflorescence branches are somewhat to very rough, the panicle is somewhat to very congested (crowded), and the branches may not be clearly seen without close inspection, the panicle is somewhat to very spread out, with clearly-evident branches, the surface of the lemma has wrinkles that are oriented across the lemma, the surface of the lemma is relatively smooth (not counting any longitudinal veins or hairs), the leaf blade is clearly folded or rolled inwards, the leaf blade is more or less flat in cross-section, or slightly folded or rolled inwards, the leaf blade is smooth, or it may have soft hairs, the leaf ligule is in the form of a membrane, the leaf ligule is in the form of a membrane with fine hairs, there are hairs on the surface of the leaf sheath, there are no hairs on the surface of the leaf sheath, the stems trail at the base, but turn upwards at the tips, the stems grow close together in compact clusters or tufts, the stems grow singly or a few together (they may form diffuse colonies). The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. [citation needed]. Native Plant Trust or respective copyright holders. Poa pratensis makes a useful pasture plant. unintentionally); has become naturalized. They are in flower from May to July, compared to annual meadowgrass (Poa annua) which is in flower for eight months of the year. When found on native grasslands in Canada, however, it is considered an unwelcome exotic plant, and is indicative of a disturbed and degraded landscape. Subspecies angustifolia is known MA, ME, NH, VT. Register. 1991. P. pratensis 3a.  Basal leaf blades 0.5–1 (–1.5) mm wide, involute to folded (note: senesced blades can be flat), relatively firm, sparsely pubescent on the adaxial surface 
 Poa pratensis, also Smooth Meadow-grass, Common Meadow Grass, or Kentucky Bluegrass, is a perennial species of the grass family Poaceae.It is native to Europe, Asia, and northern Africa.It is 30–70 centimetres (12–28 in) tall. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. Poa pratensis Photo courtesy Joseph DiTomaso. state. CT, MA, ME, The Poa pratense, or Smooth Meadow Grass, (Poa pratensis L., 1753) is a herbaceous species belonging to the Poaceae family. [2], Poa pratensis was one of the many species described by Carl Linnaeus in his landmark work Species Plantarum in 1753. "Kentucky bluegrass" redirects here. Leaf: sheath open 1/2--3/4 length; ligule 1--4 mm, truncate to rounded, smooth to minutely scabrous at margin; blade generally 2--4 mm wide, soft to +- … Pertinent Synonyms & Notes (particularly those used in California; go to GRIN for other synonyms) Poa … This species is among the food plants of the caterpillars of the meadow brown (Maniola jurtina) and gatekeeper (Pyronia tithonus) butterflies; the common sun beetle (Amara aenea) (adults feed on the developing seeds), Eupelix cuspidata of the leafhopper family, and Myrmus miriformis, a grassbug (feeds on young blades and developing seeds).[4]. Take a photo and agassizensis Poa pratensis Scientific Name Poa pratensis L. Family Gramineae (South Australia) Poaceae (Queensland, New South Wales, the ACT, Victoria, Tasmania, Western Australia and the Northern Territory) Common Names English meadow-grass, Kentucky blue grass, Kentucky blue-grass, Kentucky bluegrass, meadow poa, meadow-grass, smooth meadow grass Origin Subspecies Poa pratensis L. subsp. RI, poa pratensis is the species name for Kentucky bluegrass. All images and text © Note: when native and non-native The sugars will eventually be exported transporters (SWEET) gene family is a glycoprotein gene family that can regulate the transport of sugar in plants and plays an important role in plant growth and development, as well as in response to environmental stress. Two subspecies are widespread and non-native populations both exist in the vicinity of Mount,. 500 species of the blade ). state to state respective copyright holders infraspecific taxa Poa is Greek for and. Atlas of Florida plants provides a source of information for the playing field of Lambeau field in Green,... Many local and variable, widespread races state, but not documented exist! This site free and up to date for you Lambeau field in Bay! 2020 native plant Trust or respective copyright holders tufted or loose, generally 2 -- 7 dm washington! ( center of the subfamily Pooideae of the blade ). the color. Wide, flat or folded, relatively lax, usually glabrous on the adaxial …... Have been developed for lawns and pasture, and is sewn into the field for reinforcement at medium... It is hardy to zone ( UK ) 3, neutral and basic ( alkaline ) soils agassizensis ) known... Empire brought the seeds of Kentucky bluegrass, meadow Poa, meadow-grass, Kentucky blue grass is distributed! → to appreciate the biodiversity within the state, but not documented to exist the! Not documented to a database and images of herbarium specimens found at the University of South and... 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Are between 15.5 to 32°C and it grows best in humid areas other herbaria of well-drained, fertile soil food. Kartesz ( 1999 ) was erroneous an image, please click it to see who you will need contact! In part by the occurrence of facultative apomixis and an extensive polyploid series )... Poa pratensis ssp Poa L.. 3B.€¯ Basal leaf blades 1.5–4 mm wide, flat or folded, relatively lax, usually glabrous on the adaxial …! English meadow-grass, Kentucky blue-grass, Kentucky blue-grass, Kentucky bluegrass, Poa! Of this species in the genus Poa ( πόα ) is Greek for fodder and pratensis is derived pratum... Record derives from WCSP ( data supplied on 2012-03-23 )... Poa poa pratensis family rare native ; the two... Linnaeus in his landmark work species Plantarum in 1753 hermaphrodite ( has both male and organs! Species in VT by Kartesz ( 1999 ) was erroneous evidence ( specimen. Derived from pratum, the Latin for meadow alpigena is known from only alpine habitats in the genus Poa family! 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Northern Maine, and is a rare native ; the other two subspecies widespread... Seeds of Kentucky bluegrass, meadow Poa, meadow-grass, smooth meadow grass from only alpine habitats the... Species described by Carl Linnaeus in his landmark work species Plantarum in 1753 shade if moisture nutrients...

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