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Poa is a genus of approximately 500 species of grasses




Images of Poa at google.com

Poa which means fodder in Greek is a genus of approximately 500 species of grasses.

Overview of Poa

• It is a native to the temperate regions of both hemispheres.
• Common names include:
– meadow-grass
– bluegrass
– tussock
– speargrass
• They belong to Pooideae subfamily of the Poaceae family.
• This has green leaves with blue seed heads.
• The plant can grow up to a height of 2-3 feet.
• The genus Poa has both annual and perennial species.
• Most are monoecious.
• Few are dioecious.
Lepidoptera whose caterpillars use Poa as its food include:
– Agriphila inquinatella
– Cercyonis pegala
– Poanes hobomok
– Poanes zabulon

Species of Poa

Some of the Species include:
• Poa abbreviata
• Poa alpigena
• Poa alpina
• Poa alsodes
• Poa angustifolia
• Poa annua
• Poa arachnifera
• Poa arctica
• Poa arida
• Poa atropurpurea
• Poa badensis
• Poa balfourii
• Poa bigelovii
• Poa bolanderi
• Poa bulbosa
• Poa cita
• Poa chaixii
• Poa chathamica
• Poa colensoi
• Poa compressa
• Poa confinis
• Poa cookii
• Poa cusickii
• Poa diaboli
• Poa douglasii
• Poa dura
• Poa fendleriana
• Poa flabellata
• Poa flexuosa
• Poa foliosa
• Poa glauca
• Poa howellii
• Poa humilis
• Poa infirma
• Poa iridifolia
• Poa kelloggii
• Poa kerguelensis
• Poa labillardierei
• Poa leptocoma
• Poa macrantha
• Poa mannii
• Poa napensis
• Poa nemoralis
• Poa paludigena
• Poa palustris
• Poa poiformis
• Poa pratensis
• Poa sandvicensis
• Poa secunda
• Poa sieberiana
• Poa siphonoglossa
• Poa subcaerulea
• Poa supina
• Poa trivialis
• Poa unilateralis

Scientific Classification of Poa

• Kingdom : Plantae
• (unranked) : Angiosperms
• (unranked) : Monocots
• (unranked) : Commelinids
• Order : Poales
• Family : Poaceae
• Subfamily : Pooideae
• Genus : Poa

Growing/Caring conditions

• 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.





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