Pagina 12 - Flora of the Southern Carnic Alps

12
25
Fruit black.
Inflorescence
flattened, wider than
long. Pith of stems
white
Sambucus nigra L.
25
Fruit red.
Inflorescence not
flattened, longer than
wide. Pith of stems red
Sambucus
racemosa L.
26
Bases of the two
opposite leaf-stalks
touching each other.
Lateral veins of
leaflets reaching the
leaf-margin. Fruits
paired
Acer negundo L.
26
Bases of leaf-stalks
not touching each
other. Lateral veins of
leaflets not reaching
the margin. Fruits not
paired
27
27
Flowers without
petals. Leaves with 4-6
pairs of leaflets which
are more than 3 times
as long as wide. Buds
black
Fraxinus excelsior
L. subsp. excelsior