Pagina 67 - Flora of the Southern Carnic Alps

67
206 Annual plant of
disturbed habitats
Mercurialis annua
L.
206 Perennial plant of
woody habitats 207
207
Leaf blade 2.2-4 times
as long as wide.
Petiole 5-10 (3-18)
mm long
Mercurialis
perennis L.
207
Leaf blade 1.3-2.2
times as long as wide.
Petiole 1-2 mm long
Mercurialis ovata
Sternb. & Hoppe
208
Flowers arranged in
heads surrounded by
an involucre of scales
or bracts
209
208
Flowers not arranged
in heads surrounded
by an involucre
217
209 All flowers yellow 210
209 At least some flowers
not yellow 211