Poa Alpine is also known by the common name Alpine Meadow-grass. It is a species of meadow grass.
Overview of Poa Alpine or Alpine Meadow Grass
• It is noted for being viviparous.
• The seeds of this grass are known to germinate being connected to the parent plant.
• This helps them to give a safe head start.
Common names are:
– Alpine meadowgrass
– Paturin des Alpes
– Alpen rispengras
• It is a perennial plant.
• It is of a small size.
• It is hairless and cespitous.
• Stems are erect.
• It can grow up to a height of 8 – 40 cm.
• It is not very leafy.
• Leaf blade is folded when young.
• The blade is about 2 – 5 mm wide.
• Ligules of the upper leaves are long and about 6 mm.
• Ligule of the lower leaves is shorter.
• There are no auricles present.
• The inflorescence is panicle-like.
• It is short, ovate or pyramidal.
• The spikelets are 4 – 8 flowered.
• They are big.
• They do not have woolly hairs at the base.
• They are adapted to boreal and mountain climates.
It is native to:
– cold areas
– to mountains of the northern hemisphere
– the alpine level of mountain areas
Lepidoptera whose caterpillars use Poa as its food include:
– Agriphila inquinatella
– Cercyonis pegala
– Poanes hobomok
– Poanes zabulon
Scientific Classification of Poa Alpine or Alpine Meadow Grass
• Kingdom : Plantae
• (unranked) : Angiosperms
• (unranked) : Monocots
• (unranked) : Commelinids
• Order : Poales
• Family : Poaceae
• Genus : Poa
• Species : P. alpina
• This is an incredibly easily grown plant.
• It succeeds in well-drained soils.
• It prefers moderately fertile soil.
• It grows well in a sunny position.
• It can tolerate very acid soils.
• This plant is a very common garden weed.
• It usually does not require cultivation.
• This is an essential food plant for the caterpillars of numerous species of butterfly.
• It is seen growing in close cut lawns.
• The seed drops very readily in the plant and hence is difficult to harvest.
• But this way the seed is spread effortlessly.
• It makes the flower even more difficult to eradicate.
• A lot of the species are very important pasture plants,.
• They are used extensively by grazing livestock.
• Many of the Poa species are popular for gardens as well as for landscaping in New Zealand.