''Trisetum canescens'' is a species of grass known by the common names tall trisetum and tall false oat.

Distribution

The bunchgrass is native to western North America from Alaska and British Columbia to central California and Arizona, where it occurs in forests, mountain meadows, and streambanks, being most common among

Ponderosa pines ''Pinus ponderosa'', commonly known as the ponderosa pine, bull pine, blackjack pine, western yellow-pine, or filipinus pine is a very large pine tree species of variable habitat native to mountainous regions of western North America. It is th ...

and stands of

spruce A spruce is a tree of the genus ''Picea'' (), a genus of about 35 species of coniferous evergreen trees in the family Pinaceae, found in the northern temperate and boreal (taiga) regions of the Earth. ''Picea'' is the sole genus in the subfami ...

and

fir Firs (''Abies'') are a genus of 48–56 species of evergreen coniferous trees in the family (biology), family Pinaceae. They are found on mountains throughout much of North America, North and Central America, Europe, Asia, and North Africa. The ...

Description

''Trisetum canescens'' is a perennial bunchgrass forming clumps of erect stems up to tall, but known to exceed . There are three to four leaves per stem, the blades reaching up to 30 centimeters in length. The sheaths can be hairless to quite hairy, the hairs sometimes long and shaggy. The inflorescence is an open or compact

panicle A panicle is a much-branched inflorescence. (softcover ). Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit) be pedicellate (having a single stem per flower). The branches of a panicle are of ...

of green, tan, or purplish spikelets up to 20 centimeters long.

References

External links

Jepson Manual Treatment: ''Trisetum canescens''Grass Manual Treatment — ''Trisetum canescens''''Trisetum canescens'' — U.C. Photo gallery
canescens Bunchgrasses of North America Grasses of the United States Grasses of Canada Native grasses of California Flora of Alaska Flora of British Columbia Flora of the Northwestern United States Flora of Arizona Flora of the Sierra Nevada (United States) Natural history of the California Coast Ranges Flora without expected TNC conservation status {{Pooideae-stub