High Quality Content by WIKIPEDIA articles! Poa unilateralis is a species of grass known by the common names San Francisco bluegrass, ocean bluff bluegrass, and sea-bluff bluegrass. It is native to west coast of the United States from Washington to central California, where it grows in coastal habitats such as bluffs and beaches in sandy saline soils. It is a perennial grass forming dense clumps of stems up to 40 centimeters tall. The herbage may be waxy in texture. The leaves may be thin and early-withering or somewhat fleshy and persistent. The inflorescence is a dense cluster of short branches bearing small, hairy-edged spikelets. Poaceae or Gramineae is a family in the Class Liliopsida (the monocots) of the flowering plants. Plants of this family are usually called grasses, or, to distinguish them from other graminoids, true grasses; the shrub- or tree-like plants in this family are called bamboo (there are also herbaceous, non-woody bamboos). There are about 600 genera and some 9,000–10,000 or more species of grasses (Kew Index of World Grass Species).

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