Agropyron fragile

(Roth) P. Candargy
Common names: Siberian wheatgrass
Synonyms: Agropyron sibiricum unknown Agropyron mongolicum unknown Agropyron fragile var. sibiricum unknown Agropyron cristatum subsp. fragile unknown
Treatment appears in FNA Volume 24. Treatment on page 279.
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Illustrator: Cindy Roché
Plants not rhizomatous. Culms 30-100 cm, rarely geniculate. Ligules to 1 mm; blades 1.5-6 mm wide. Spikes (5)8-15 cm long, 5-13 mm wide, linear to narrowly lanceolate; internodes 1.5-5 mm. Spikelets 7-16 mm, appressed or diverging up to 30(35)° from the rachises. Glumes 3-5 mm, glabrous or hairy, often awned, awns 1-3 mm; lemmas 5-9 mm, keels scabrous distally, apices unawned, sometimes mucronate, mucros up to 0.5 mm; anthers 4-5 mm. 2n = (14), 28, (42).


Colo., N.Mex., Utah, Mont., Wyo., Alta., B.C., Man., N.W.T., Sask., Yukon, Nev., S.Dak.


Agropyron fragile is native from the southern Volga basin through the Caucasus to Turkmenistan and Mongolia. It is more drought-tolerant than A. cristatum. Within the Flora region, A. fragile appears to be uncommon outside of experimental plantings. This may change as more cultivars become available.



Lower Taxa

No lower taxa listed.

Facts about "Agropyron fragile"
AuthorMary E. Barkworth +
Authority(Roth) P. Candargy +
Common nameSiberian wheatgrass +
DistributionColo. +, N.Mex. +, Utah +, Mont. +, Wyo. +, Alta. +, B.C. +, Man. +, N.W.T. +, Sask. +, Yukon +, Nev. + and S.Dak. +
IllustratorCindy Roché +
ReferenceNone +
Source xml grained fna xml/V24/V24 398.xml +
SynonymsAgropyron sibiricum +, Agropyron mongolicum +, Agropyron fragile var. sibiricum + and Agropyron cristatum subsp. fragile +
Taxon familyPoaceae +
Taxon nameAgropyron fragile +
Taxon parentAgropyron +
Taxon rankspecies +
VolumeVolume 24 +