Pagina 30 - Flora of the Southern Carnic Alps

30
83
Branches slightly
pendulous. Young
branches hairless and
with numerous resin
glands (magnifying
glass). Wings 2-3
times as wide as seed
Betula pendula
Roth
83
Branches not
pendulous. Young
branches hairy and
without glands. Wings
1-1.5 times as wide as
seed
Betula pubescens
Ehrh.
84 Leaves heart-shaped at
base 85
84 Leaf not heart-shaped
at base 89
85
Leaves shiny on the
upper surface. Flowers
white. Fruits fleshy
86
85
Leaves matt on the
upper surface. Flowers
not white. Fruits dry
87
86
Branches tipped with
spines. Fruit < 4 cm
wide. Wild plant
Pyrus pyraster (L.)
Burgsd.