Pagina 313 - Flora of the Southern Carnic Alps

313
absent below 1500 m.
All leaves thread-like
1025
Leaf sheath with a
longiitudinal groove
(microscopy, cross
section of the sheath
1/3 of length above the
base)
Festuca norica
(Hack.) K. Richt.
1025 Leaf sheath without
such a groove 1026
1026
Mostly on calcareous
substrates. All stems
hairless. Leaves with 5
veins and 7
sclerenchymatic
chords (microscope)
Festuca nitida Kit.
ex Schult. subsp.
nitida
1026
Mostly on siliceous
substrates. Stems hairy
in the upper part.
Leaves with 5-7 (-9)
veins and 7-9 (-11)
sclerenchymatic
chords
Festuca picturata
Pils
1027
Corolla with petals
fused both at the base
and at the apex
(banana-like)
1028
1027 Corolla different 1035