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17
49
Leaves dull above and
with a network of
veins beneath
Arctostaphylos uva-
ursi (L.) Spreng.
49
Leaves shiny above
and with numerous
scattered, small dots
beneath
Vaccinium vitis-
idaea L.
50
Stems ascending, <20
cm tall. Leaves 6-15
mm long, usually
widest in the upper
half. Flower-stalks
shorter than the corolla
Vaccinium
uliginosum L. subsp.
microphyllum
(Lange) Tolm.
50
Stems erect, >20 cm
tall. Leaves >15 mm
long, usually widest in
the middle. Flower-
stalks c. as long as the
corolla
Vaccinium
uliginosum L. subsp.
uliginosum
51
Plants observed when
flowering in early
spring, without well-
developed leaves at
flowering time
52
51
Plants with well-
developed leaves at
flowering time
57
52
Plant prickly
Prunus spinosa L.
52
Plants not prickly
53