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Vegetative Morphology

 
Plants occasionally rhizomatous.
Culms 25-110 cm.
Ligules to 1.5 mm.
Blades 1.5-6 mm wide.

Reproductive Morphology

 
Spikes 1.3-10.5(15) cm long, 5-25 mm wide, narrowly to broadly lanceolate, rectangular, or ovate.
Spikelets 7-16 mm, diverging at angles of 30-95° at maturity, with 3-6(8) florets.
Glumes 3-6 mm.
Glume awns usually present, 1.5-3 mm.
Lemmas 5-9 mm.
Lemma awns usually present, 1-6 mm.
Anthers 3-5 mm.

Chromosome Number(s)

2n = 14, 28, 42

Nativity / Range

Native to central Europe and from the eastern Mediterranean to Mongolia and China.

Name/Synonymy Publication Info

Agropyron cristatum (L.) Gaertner, Novi Comment. Acad. Sci. Imp. Petrop. 14:540 (1770). Bromus cristatus L., Sp. pl. 1:78 (1753); Triticum cristatum (L.) Schreber, Beschr. Gr?ser 2:12, pl. 23, f. 2 (1770); Avena cristata (L.) Roemer & Schultes, Syst. veg. 2:758 (1817); Costia cristata (L.) Willk., Bot. Zeitung (Berlin) 16:377 (1858); Eremopyrum cristatum (L.) Willk. & Lange, Prodr. fl. hispan. 1:108 (1861); Zeia cristata (L.) Lunell, Amer. Midl. Naturalist 4:226 (1915). Triticum pumilum L. f., Suppl. pl. 115 (1782) [title page 1781], non Steudel (1854). LEC: LINN 93.44; Russia: Sibiria, "Tatary" [central Asia and European Russia] [Nash in Britton & A. Br., Ill. fl. n. U.S., ed. 2, 1:283 (1913)].

Bromus distichus Georgi, Bemerkungen einer Reise im Russischen Reich in Jahre 1772 1:197 (1775); Agropyron distichum (Georgi) Peschkova, Novosti Sist. Vyssh. Rast. 22:37 (1985). TYPE: Russia.

Triticum caucasicum Biehler, Pl. Nov. Herb. Spreng. 35 (1807). TYPE: "Caucasus" [Russia/Georgia].

Triticum imbricatum M.-Bieb., Fl. Taur.-caucas. 1:88 (1808), nom. illeg., non Lam. (1792) [=Elymus repens (L.) Gould]; Agropyron imbricatum Roemer & Schultes, Syst. veg. 2:757 (1817); Agropyron cristatum var. imbricatum (Roemer & Schultes) Beck, Fl. Nieder-?sterreich 1:114 (1890); Agropyron cristatum subsp. imbricatum (Roemer & Schultes) ?. Löve, Feddes Repert. 95:431 (1984); Agropyron cristatum forma imbricatum (Roemer & Schultes) A.V. Bukhteeva, Sborn. Nauchn. Trudov Prikl. Bot. Genet. Selekts. 120:87 (1988). HOL: LE; "Iberia" [Russia/Georgia]; C. Steven.

Triticum pectinatum M.-Bieb., Fl. Taur.-caucas. 1:87 (1808); Eremopyrum pectinatum (M.-Bieb.) Schur, Enum. pl. Transsilv. 807 (1866); Agropyron cristatum var. pectinatum (M-Bieb.) Roshev. ex B. Fedtsch., Izv. Imp. Bot. Sada Petra Velikago 14, Suppl. 2:97 (1915); Elymus pectinatus (M.-Bieb.) M. La?nz, Bol. Inst. Estud. Asturianos, Supl. Ci. 15:44 (1970). Agropyron pectiniforme Roemer & Schultes, Syst. veg. 2:758 (1817); Triticum pectiniforme Roemer & Schultes ex Steudel, Nomencl. bot. 1:855 (1821); Agropyron cristatum subsp. pectinatum (M.-Bieb.) Tzvelev, Spisok Rast. Gerb. Fl. S.S.S.R. Bot. Inst. Vsesoyuzn. Akad. Nauk 18:25 (1970); Agropyron cristatum forma pectiniforme (Roemer & Schultes) A.V. Bukhteeva, Sborn. Nauchn. Trudov Prikl. Bot. Genet. Selekts. 120:87 (1988). HOL: LE; "Tauria" [Ukraine: Crimea [Krymskij poluostrov]].

Triticum desertorum Fischer ex Link, Enum. horti berol. alt. 1:97 (1821); Agropyron desertorum (Fischer ex Link) Schultes, Mant. 2:412 (1824); Agropyron sibericum var. desertorum (Fischer ex Link) Boiss., Fl. orient. 5:667 (1884); Agropyron cristatum subsp. desertorum (Fischer ex Link) ?. Löve, Feddes Repert. 95:431 (1984); Agropyron cristatum var. desertorum (Fischer ex Link) Dorn, Vascular Plants of Wyoming 298 (1988). HOL: LE; "northern Caucasus" [Russia]: Cuma [Kuma] desert; F.E.L. Fischer.

Triticum muricatum Link, Enum. Pl. Horti Berol. 1:97 (1821). TYPE: Russia: Siberia.

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