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Poa Bulbosa is a species of grass

Images of Poa Bulbosa at

Poa Bulbosa which is also known by the common name bulbous bluegrass, is a species of grass.

Overview of Poa Bulbosa

• It is native to:
– Eurasia
– North Africa
• It is widespread in:
– United States
– Southern Canada
• It was introduced to:
– Control weeds
– Prevent erosion
• This is an annual or perennial grass.
• It forms dense clumps.
• These clumps are about 60cms tall.
• These species have smooth and hollow stems.
• They are bulbous at their bases.
• They are of about 1cm length.
• In drier areas, this grass has bulbous sections.
• This bulb is supposed to be filled with water.
• These sections can be removed and grown as a new plant.
• The inflorescence is a wide cluster of branches.
• They bear leaflike spikelets.
• They are green in color with darker bases.
• These bases bear bulbils.
• Viable seed is rarely produced.
• This grass is asexual in nature.
• Both wild and domesticated types of animals ingest this grass.
• They are from small mammals to birds.
• They usually ingest the bulbils which has starches and fats.

Lepidoptera whose caterpillars use Poa as its food include:
• Agriphila inquinatella
• Cercyonis pegala
• Poanes hobomok
• Poanes zabulon

Scientific Classification of Poa Bulbosa

• Kingdom : Plantae
• (unranked) : Angiosperms
• (unranked) : Monocots
• (unranked) : Commelinids
• Order : Poales
• Family : Poaceae
• Genus : Poa
• Species : P. bulbosa
• Binomial name : Poa bulbosa

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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