172
560
At least some flowers
white
567
561
Heads with tubular
flowers only, not
arranged in corymbs
562
561
Heads with marginal
strap-shaped flowers,
arranged in corymbs
564
562
Involucre of heads
globose, the scales
with a toothed black
margin
Centaurea
scabiosa L. subsp.
scabiosa
562
Involucre of heads
much longer than it is
wide, the scales with
an entire margin
563
563
Plant to 1 m tall.
Involucre of heads 5-8
mm wide, the outer
scales < 2 mm wide.
Heads not crowded
Serratula tinctoria
L. subsp. tinctoria
563
Plant to 40 cm tall.
Involucre 6-12 mm
wide, the outer scales
2-2.5 mm wide. Heads
crowded at the top of
stem
Serratula tinctoria
L. subsp.
monticola (Boreau)
Berher
1...,162,163,164,165,166,167,168,169,170,171
173,174,175,176,177,178,179,180,181,182,...444