Pagina 348 - Flora of the Southern Carnic Alps

348
1140
Disc of heads with a
marginal ring of
thread-like flowers
(tubular, narrower and
longer than central
ones, with a protruding
style)
Erigeron atticus
Vill.
1140
Disc of heads without
a ring of thread-like
flowers
1141
1141
Strap-shaped flowers
very short and erect.
Pappus hairs arranged
in a single row
(magnifying glass).
Biannual or perennial
plant.
Erigeron acris L.
subsp. acris
1141
Strap-shaped flowers
clearly radiating.
Pappus hairs arranged
in 2 rows. Annual
plant
Erigeron annuus
(L.) Desf. subsp.
annuus
1142
Heads > 3 cm wide,
with scales arranged in
multiple rows. Strap-
shaped flowers
arranged in a single
row
Aster alpinus L.
subsp. alpinus
1142
Heads < 3 cm wide,
the scales arranged in
2 rows. Strap-shaped
flowers arranged in 2-
3 rows
1143