65
199
Upper leaves gathered
in whorls of 3-4 at the
nodes
Epilobium alpestre
(Jacq.) Krock.
199
Leaves not whorled
200
200
Plant entirely
submerged in water
Callitriche
palustris L.
200
Plant terrestrial, or, if
aquatic, with leaves
fully emerging from
water
201
201
Flowers without petals
202
201
Flowers with petals
208
202
Leaves lobed. Woody
climber
Humulus lupulus
L.
202
Leaves not lobed.
Herbaceous plants
203
1...,55,56,57,58,59,60,61,62,63,64 66,67,68,69,70,71,72,73,74,75,...444