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© Utah State University

© Utah State University

Vegetative Morphology

 
Plants not rhizomatous.
Culms 30-100 cm.
Ligules to 1 mm.
Blades 1.5-6 mm wide.

Reproductive Morphology

 
Spikes (5)8-15 cm long, 5-13 mm wide, linear to narrowly lanceolate.
Spikelets 7-16 mm, appressed or diverging up to 30(35)º from the rachises.
Glumes 3-5 mm.
Glume awns often present, 1-3 mm.
Lemmas 5-9 mm.
Lemma awns absent, sometimes mucronate, mucros up to 0.5 mm.
Anthers 4-5 mm.

Chromosome Number(s)

2n = (14), 28, (42)

Nativity / Range

Native from the southern Volga basin through the Caucasus to Turkmenistan and Mongolia.

Name/Synonymy Publication Info

Agropyron fragile (Roth) P. Candargy, Arch. Biol. V?g. Pure Appl. 1:58 (1901). Triticum fragile Roth, Catal. bot. 2:7 (1800); Agropyron cristatum subsp. fragile (Roth) ?. Löve, Feddes Repert. 95:431 (1984); Agropyron cristatum var. fragile (Roth) Dorn, Vascular Plants of Wyoming 298 (1988). TYPE: cultivated from seed of unknown origin.

Triticum sibiricum Willd., Enum. pl. [pt. 1] 135 (1809); Agropyron sibiricum (Willd.) P. Beauv., Essai Agrostogr. 102, 146, 181 (1812); Eremopyrum sibiricum (Willd.) P. Candargy, Arch. Biol. V?g. Pure Appl. 1:58 (1901); Agropyron fragile var. sibiricum (Willd.) Tzvelev in Grubov, Rastenija central'noj Azii 4:193 (1968); Agropyron fragile subsp. sibiricum (Willd.) Melderis, Bot. J. Linn. Soc. 76:384 (1978). HOL: LE; Russia: Siberia.

Triticum variegatum Fischer ex Sprengel, Pl. min. cogn. pug. 2:24 (1815); Agropyron variegatum (Fischer ex Sprengel) Roemer & Schultes, Syst. veg. 2:759 (1817). TYPE: [no locality cited].

Triticum angustifolium Link, Enum. horti berol. alt. 1:97 (1821); Agropyron angustifolium (Link) Schultes, Mant. 2:412 (1824). TYPE: Russia: Siberia; J.H.F. Link.

Triticum dasyphyllum Schrenk, Bull. Sci. Acad. Imp. Sci. Saint-P?tersbourg 10:356 (1842); Eremopyrum dasyphyllum (Schrenk) P. Candargy, Arch. Biol. V?g. Pure Appl. 1:60 (1901). HOL: LE; Kazakhstan: Songoria [Dzungaria], Lake Alakul [Alakol']; 30 Jul 1841; A.G. Schrenk.

Agropyron mongolicum Keng, J. Wash. Acad. Sci. 28:305 (1938); Agropyron fragile subsp. mongolicum (Keng) D.R. Dewey, Crested wheatgrass: its value, problems, and myths 31 (1986). HOL: N; Mongolia: Siuyan province, Payin Obo [Bajan-Ovoo], northeast of Peiling Miao, on exposed sandy and rocky slope; 9 Aug 1935; Y.L. Keng 3400.

Treatment From

M.E. Barkworth. Agropyron in Flora of North America, Volume 24. In prep. Oxford University Press.

Fact Sheet Developed By

Pedro Oñativia Lake © 2006