''Danthonia unispicata'' is a species of

grass Poaceae ( ), also called Gramineae ( ), is a large and nearly ubiquitous family (biology), family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos, the grasses of natural grassland and spe ...

known by the common name onespike oatgrass, or onespike danthonia. It is sometimes treated as a variety of ''

Danthonia californica ''Danthonia californica'' is a species of grass known by the common name California oatgrass. This plant is native to two separate regions of the Americas, western North America from California to Saskatchewan, and Chile. Description ''Danthonia ...

'', to which it is similar. It is native to western North America, where it grows in several types of habitat, including grassland and open areas in mountain forests. It is a perennial

bunchgrass Tussock grasses or bunch grasses are a group of grass species in the family Poaceae. They usually grow as singular plants in clumps, tufts, hummocks, or bunches, rather than forming a sod or lawn, in meadows, grasslands, and prairies. As perennia ...

growing in clumps 10 to 30 centimeters tall, with very hairy, rolled leaves. The

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

bears a single spikelet, or sometimes up to four spikelets.

References

External links

Calflora Database: ''Danthonia unispicata'' (One spiked oatgrass)Jepson Manual eFlora (TJM2) treatmentUSDA Plants ProfileGrass Manual TreatmentPhoto gallery
unispicata Bunchgrasses of North America Native grasses of California Grasses of the United States Grasses of Canada Flora of the Western United States Flora of Western Canada Flora of the Great Basin Flora of the Klamath Mountains Flora of the Sierra Nevada (United States) {{Poaceae-stub