Pleuropogon refractus Description External links Navigation menuJepson Manual Treatment: Pleuropogon refractusUSDA Plants Profile: Pleuropogon refractusWashington Burke MuseumPleuropogon refractus Photo gallery665213891115126PPNRE2704808imp0810178629416402-1114377744203164320986796703kew-434968PLRE2urn:lsid:ipni.org:names:416402-12551237478364349682704810407547-11050118351611525511248expanding ite

PooideaeBunchgrasses of North AmericaNative grasses of CaliforniaGrasses of the United StatesGrasses of CanadaFlora of Washington (state)Flora of OregonPooideae stubs


grassBritish ColumbiaCaliforniamarshybunchgrassinflorescencesemaphore signals
























Pleuropogon refractus

Scientific classification
Kingdom:

Plantae

(unranked):

Angiosperms

(unranked):

Monocots

(unranked):

Commelinids

Order:

Poales

Family:

Poaceae

Subfamily:

Pooideae

Genus:

Pleuropogon

Species:

P. refractus


Binomial name

Pleuropogon refractus
(Asa Gray) Benth. ex Vasey

Pleuropogon refractus is a species of grass known by the common name nodding semaphoregrass. It is native to the west coast of North America from British Columbia to northern California, where it grows in moist meadows, marshy areas, and shady forests.



Description


Pleuropogon refractus is a perennial bunchgrass growing to a maximum height around 1.6 meters. The inflorescence bears widely spaced cylindrical spikelets which hang sideways off the stem, resembling semaphore signals. Each spikelet may be up to 2.5 centimeters long and may contain up to 14 flowers. As the spikelets develop the stem may bend over or nod, so that the spikelets point downward.



External links


  • Jepson Manual Treatment: Pleuropogon refractus

  • USDA Plants Profile: Pleuropogon refractus

  • Washington Burke Museum


  • Pleuropogon refractus Photo gallery





Bunchgrasses of North America, Flora of Oregon, Flora of Washington (state), Grasses of Canada, Grasses of the United States, Native grasses of California, Pooideae, Pooideae stubsUncategorized
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