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Poa Diaboli or Diablo Canyon bluegrass is a species of grass

Images of Poa Diaboli at

Poa Diaboli which is also called Diablo Canyon bluegrass is a species of grass.

Overview of Poa Diaboli

• This is a rare species of grass.
• It is endemic to: San Luis Obispo County, California.
• The grass is found on:
– rugged mountaintops
– north-facing slopes in thin soils
– covering shale rock
– within a few kilometers of the coastline
• Its habitat is:
– Chaparral
– Oak woodland
– Coastal sage scrub
– Bishop pine forest
• This species is a rhizomatous.
• It is a stoloniferous perennial grass.
• It grows in mounds.
• It can grow up to height of ½ a metre.
• The inflorescence is a panicle of flowers.
• It can grow about ten centimeters long.
• It has branches that are upright or spreading.
• In the months of March and April this species bears flowers.
• Its spikelets are green in color.
• It has webby fibers.
• This species is dioecious.
• The male and female flowers are borne separately.
• There are female plants also sometimes which have both male and female flowers together.
• This is a syndrome called gynomonoecism.
• Threats to this rare species include purple veldtgrass.
• They belong to Pooideae subfamily of the Poaceae family.

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

Scientific Classification of Poa Diaboli

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

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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