Pagina 385 - Flora of the Southern Carnic Alps

385
1263
The 3 external tepals
with a c. 1.5 mm long
dorsal wings, without
glands. Fruits shiny,
on 3-8 mm long
peduncles
Fallopia
dumetorum (L.)
Holub
1263
The 3 external tepals
grooved, without
wings, with glands.
Fruits matt, on 1-3 mm
long peduncles
Fallopia
convolvulus (L.) Á.
Löve
1264
Base of the leaf stalks
with a membranous
sheath surrounding the
stem
1265
1264
Base of the leaf stalks
without a membranous
sheath surrounding the
stem
1269
1265 Flowers arranged in
leaf axils 1266
1265 Flowers arranged in
spikes 1267
1266
Corolla-tube at least
half as long as lobes
(magnifying glass).
All leaves of similar
size
Polygonum
arenastrum
Boreau subsp.
arenastrum