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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.

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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.