Pagina 146 - Flora of the Southern Carnic Alps

146
476
Head surrounded by 4-
6 bracts. Basal leaves
not heart-shaped at
base
Eryngium
amethystinum L.
476
Head surrounded by
more than 10 bracts.
Basal leaves entire and
heart-shaped at base
Eryngium alpinum
L.
477
Involucre of heads
densely woolly, > 3
cm wide
Cirsium
eriophorum (L.)
Scop. subsp.
eriophorum
477
Involucre of heads < 3
cm wide, or, if wider,
not woolly
478
478 Plant < 30 cm tall,
almost devoid of stem
Cirsium acaulon
(L.) Scop. subsp.
acaulon
478
Plant > 30 cm tall,
with a well developed
stem
479