5
1
Trees, woody
climbers, or > 50 cm
tall shrubs
2
1
Herbaceous plants, or
< 50 cm tall shrubs
135
2
Leaves needle- or
scale-like
3
2
Leaves neither needle-
nor scale-like
14
3
Plant < 60 cm tall.
Flowers with pink
petals
4
3
Plant > 60 cm tall.
Flowers without petals
5
4
Leaves needle-like,
arranged in whorls.
Petals fused together
Erica carnea L.
subsp. carnea
4
Leaves scale-like,
opposite. Petals free
Calluna vulgaris
(L.) Hull
1,2,3,4 6,7,8,9,10,11,12,13,14,15,...444