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Species of grass From Wikipedia, the free encyclopedia
Poa infirma is a species of grass known by the common names early meadow-grass[1] and weak bluegrass. It was first described from a specimen found in Colombia, but it is actually an introduced species in the Americas and is native to Europe.[2] It grows in many types of habitat, including disturbed areas. It is very similar to Poa annua, which is probably a daughter species,[2] and it is often mistaken for P. annua unless it is closely examined.[3]
Poa infirma | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Monocots |
Clade: | Commelinids |
Order: | Poales |
Family: | Poaceae |
Subfamily: | Pooideae |
Genus: | Poa |
Species: | P. infirma |
Binomial name | |
Poa infirma | |
This is a small, densely tufted annual grass growing up to 15 centimetres (6 in) tall. It has thin, soft-haired, yellow-green leaves. The inflorescence is a series of branches bearing flattened spikelets which have tufts of curly hairs.
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