Genomic constitution
StH
This genus is included in Elymus in the Flora of North America (2007). Its species differ from other members of Elymus in having long, subulate glumes and a fragile rachis. They differ from Hordeum in having two spikelets at each node and more than one floret per spikelet.
Distinguishing features
This genus is included in Elymus in the Flora of North America (2007). Its species differ from other members of Elymus in having long, subulate glumes and a fragile rachis. They differ from Hordeum in having two spikelets at each node and more than one floret per spikelet.
Description
This genus is included in Elymus in the Flora of North America (2007). Its species differ from other members of Elymus in having long, subulate glumes and a fragile rachis. They differ from Hordeum in having two spikelets at each node and more than one floret per spikelet.
Size
The number of species recognized in Sitanion varies from 2 to 3.
It is included in Elymus in the Flora of North America (2007). Its species differ from other members of Elymus in having long, subulate glumes and a fragile rachis. They differ from Hordeum in having two spikelets at each node and more than one floret per spikelet.
Distribution
Western North America
This genus is included in Elymus in the Flora of North America (2007). Its species differ from other members of Elymus in having long, subulate glumes and a fragile rachis. They differ from Hordeum in having two spikelets at each node and more than one floret per spikelet.
Alternative interpretations
Included in Elymus
Type species
Sitanion elymoides Raf. [= Elymus elymoides (Raf.) Swezey]
Known problems
The status of the subspecies of Elymus elymoides is worth examination.
References
Flora of North America, vol. 24.Barkworth, M.E., J.J.N. Campbell, and B. Salomon. 2007. Elymus, pp. 288-343 in M.E. Barkworth, K.M.C. Capels, S. Long. L.K. Anderton, and M. Piep (Eds), Flora of North America, vol. 24. Oxford University Press, New York, United States.
Wilson, F.D. 1963.Revision of Sitanion (Triticeae, Gramineae). Brittonia 15:303-323.