Physocarpus- Ninebark Flashcards
Physocarpous
Ninebark
Physocarpus opulifolius
Common ninebark
Common ninebark
some cultivars can be leggy
round topped
upright; can be tall shrubs
multiple stems arising from groun
Common ninebark- buds/growth
alternate buds
new growth light brown- yellowish turning dark brown/grayish with age
new growth may be slightly pubescent
Common ninebark- leaves
Alternate leaves
often leafy stipules
roundish ovate
three lobed but not deeply lobed
obtuse to acute lobes
rounded to acute at base
acuminate tip
crenate serrations
palmate veination (3 veins) and leafy stipules
Common ninebark- flowers
Terminal corymb
3-5 cm wide
white flowers with pink stamens
perfect flowers
family: rose
Common ninebark- fruit
seed pod- follicle; dehiscent
persistent; several seeds per follicle
4 segments per follicle
follicles green/tan with many cultivars turning red in autumn
quite showy
very distinct characteristics (good ID tool)
seed pods commonly retained all winter
several tiny shiny brown seeds in each capsule
Common ninebark- bark
new growth reddish- brown; older growth
grey-brown
old bark peels in long strips
Physocarpus opulifolius ‘diablo’
diablo ninebark
diablo ninebark
a very popular, hardy, ornamental purple-leaved shrub
Diablo ninebark- flowers
very noticeable against purple leaves; very showy
Diablo ninebark- seeds
red seed pods still showy with purple leaves
Diablo ninebark- leaves
leaves emerge purple
red petioles; quite showy
Physocarpus opulifolius ‘luteus’
Golden ninebark
bright green leaves
Physocarpus opulifolius ‘Amber Jubilee’
‘Amber Jubilee’ ninebark
has amber coloured leaves