Festuca beckeri

{{Short description|Species of grass}}

{{Speciesbox

|image = Філія ЛПЗ НАНУ "Трьохізбенський степ" Festuca beckeri.jpg

|genus = Festuca

|species = beckeri

|authority = (Hack.) Trautv.

|synonyms_ref = {{cite web |url=http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:1015292-1 |title=Festuca beckeri (Hack.) Trautv. |date=2023 |website=Plants of the World Online |publisher=Royal Botanic Gardens, Kew|access-date=16 June 2023}}

|synonyms = {{Hidden begin|title = List}}

{{Species list|

Festuca ovina subsp. beckeri | Hack.|

Festuca beckeri var. baicalensis | Vylzan|

Festuca beckeri subsp. laeviuscula | (Klokov) Tzvelev|

Festuca beckeri subsp. polesica | (Zapał.) Tzvelev|

Festuca beckeri subsp. sabulosa | (Andersson) Tzvelev|

Festuca laeviuscula | Klokov|

Festuca ovina subvar. litoralis | Brenner|

Festuca ovina var. sabulosa | Andersson|

Festuca polesica | Zapał.|

Festuca polesica f. denudata | Holmb.|

Festuca quercetopinetorum | Klokov|

Festuca sabulosa (Andersson) | H.Lindb.|

}}

{{Hidden end}}

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Festuca beckeri is a species of grass which can be found in Central and Western Asia, and also in Europe.{{cite web|url=http://www.kew.org/data/grasses-db/www/imp04417.htm |author1=W.D. Clayton |author2=M. Vorontsova |author2-link=Maria Vorontsova (botanist)|author3=K.T. Harman |author4=H. Williamson |title=Festuca beckeri|publisher=GrassBase|work=The Board of Trustees and Royal Botanic Gardens|place=Kew|date=November 16, 2012|accessdate=December 6, 2013}}

Description

The plant is perennial and caespitose with erect culms that are {{convert|20|–|60|cm}} long. They are also clumped and have light brown coloured butt sheaths. The ligule is going around the eciliate membrane with the leaf sheaths being open and hairy. Leaf-blades are filiform, conduplicate, light green in colour, and are {{convert|0.3|–|0.7|cm}} broad. They also have smooth surface and peduncle. The panicle is linear, open, inflorescenced and is {{convert|6|–|14|cm}} long.

Spikelets are elliptic and solitary with pedicelled fertile spikelets that carry 4-6 fertile florets. The main panicle branches are hairy. The glumes are chartaceous, lanceolate, and keelless. They also have acute apexes, while only the upper glume is sized {{convert|2.9|–|4|mm}}. Fertile lemma is {{convert|2.5|–|4.7|mm}} long and is also chartaceous, lanceolate, keelless, and are of the same colour as leaf blades. The main lemma have an acuminate apex and carries one awn that is {{convert|0.3|–|0.8|mm}} long. Flowers have three stamens while the fruits are caryopses with an additional pericarp and linear hilum.

References