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Poa Unilateralis is a perennial grass

Images of Poa Unilateralis at

Poa Unilateralis is also known by the names:
– San Francisco bluegrass
– Ocean bluff bluegrass
– Sea-bluff bluegrass
• It is a species of grass.
• It is native to:
– west coast of the United States
– from Washington
– to central California
• It grows in:
– coastal habitats
– bluffs
– beaches in sandy saline soils
• It is a perennial grass.
• It forms dense clumps of stems.
• These stems can grow approximately a height of 40 centimeters.
• The herbage can have waxy texture.
• The leaves can be thin.
• They can wither a little early than others.
• The leaves appear fleshy and persistent.
• Leaves come out of the base of the plant.
• The leaves are flat.
• The leaves are approximately 1/25 inch in width.
• The flowers are densely clustered.
• Each flower spikelet has 3 to 8 flowers.
• The inflorescence is a dense cluster of hairy-edged spikelets.

– Coastal Strand
– Northern Coastal Scrub
– Coastal Sage Scrub
• This species of grass is found at an elevation that is between 0 and 656 feet.
• It is a perennial species of grass.
• It is an herbaceous perennial plant.

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

Scientific Classification of Poa Unilateralis

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

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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