Pagina 53 - Flora of the Southern Carnic Alps

53
160
Plant usually > 70 cm
tall. Stems with
subcylindrical, tightly
adpressed sheaths,
their teeth falling early
Equisetum
hyemale L.
160
Plants usually < 70 cm
tall. Stems with more
or less lax sheaths,
with acute and long-
lasting teeth
161
161
Stems simple or
branching only near
the base. Sheath
white/transparent, with
a black ring below the
teeth
Equisetum
variegatum
Schleich. ex F.
Weber & D. Mohr
161
Stems richly branched.
Sheaths green, rarely
with a black ring
Equisetum
ramosissimum
Desf. subsp.
ramosissimum
162
Sheaths with teeth
fused into 3-6 jagged
lobes. Branches
slightly pendulous at
apex
Equisetum
sylvaticum L.
162
Sheaths with clearly
defined teeth.
Branches not
pendulous
163