Mßlshßttur
Oft vex laukur af litlu.
Poa pratensis ssp. alpigena
ĂttkvÝsl   Poa
     
Nafn   pratensis
     
H÷fundur   Linnaeus
     
Ssp./var   ssp. alpigena
     
H÷fundur undirteg.   (Fries ex Blitt) Hiitonen
     
Yrki form  
     
H÷f.  
     
═slenskt nafn   Vallarsveifgras
     
Ătt   Poaceae (GrasaŠtt)
     
Samheiti   Poa alpigena Lindman, Sv. Fanerogamfl. 91. 1918; P. pratensis var. alpigena Blytt, nom. illeg. superfl.; P. pratensis var. contracta Keng; P. pratensis var. iantha Laestadius.
     
LÝfsform   Fj÷lŠr grastegund
     
Kj÷rlendi   Mountain meadows and mires, alpine grasslands, fertilized areas, homefields, disturbed areas.
     
Blˇmlitur  
     
BlˇmgunartÝmi   J˙nÝ-j˙lÝ
     
HŠ­   0.1 - 0.7 m
     
 
Vaxtarlag   Plantan grŠn e­a me­ fjˇlublßum blŠ og gr÷nnum jar­renglum, 10-70 sm ß hŠ­.
     
Lřsing   Leaf sheaths smooth, glabrous; blades flat or more often folded, 2-5 cm Î 0.6-2(-3) mm, surfaces and margins slightly scabrid or smooth, adaxially frequently sparsely hairy, of tillers often curved upward, to 12 cm; ligules 0.8-2.5 mm, abaxially smooth or sparsely scabrid. Panicle loosely contracted or eventually open, erect, 5-10(-20) Î 1-3.5(-5) cm; branches spreading at anthesis, slightly flexuous, 2-4 per node, slender, smooth or sparsely scabrid, longest 1.5-4 cm, with 9-15 spikelets in distal 1/2. Spikelets purple-violet, 3-5 mm, florets 2 or 3; glumes subequal, lower glume 2-3.5 mm, upper glume 2.5-4 mm; lemmas ovate, 3.3-4.3 mm, keel villous for 2/3 of length, marginal veins for 1/2, intermediate veins glabrous or sparsely pilulose to short villous; palea smooth or proximally with sparse hooks between keels, keels scabrid, sometimes medially pilulose. Anthers (1.2-)1.3-1.8 mm. Fl. and fr. Jul-Aug. 2n = 28, 35, 42, 56, 63, 70, 74-78, 84.
     
Jar­vegur   Succeeds in any well-drained moderately fertile & moist soil in a sunny position.
     
Heimildir   9, HKr, http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242339053
     
Reynsla  
     
     
┌tbrei­sla   Common all over Iceland Ínnur nßtt˙ruleg heimkynni t.d.: AsÝa, Evr┤pa, N og S AmerÝka.
     
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