Pagina 165 - Flora of the Southern Carnic Alps

165
538
Flowers pink/violet.
Heads with 5 flowers
only
Prenanthes
purpurea L.
538
Flowers blue. Heads
with more than 5
flowers
539
539
Flowers pale blue.
Stem without
glandular purple hairs
Cichorium intybus
L.
539
Flowers dark blue.
Stem with glandular
purple hairs in the
upper part
Lactuca alpina (L.)
A. Gray
540 Fruits without a
pappus of hairs
Lapsana
communis L.
subsp. communis
540
Fruits with a pappus of
hairs (visible even at
flowering time: open
the head and observe
the base of the flowers
541