Caragana- Caragana/ Pea shrub Flashcards
Caragana
Caragana/ Pea shrub
Caragana arborescens
Common Caragana
Common Caragan- characteristics
Upright, oval shaped shrub
branchy
big variation between cultivars
non-suckering
spreads via seed
common shelterbelt species
also commonly used for pruned hedge
Common caragana- stems
new stems glossy green turning olive green- golden with age
angled splitting bark is unique
pale horizontal lenticels
Common caragana- bud
alternate
ovoid
acuminate tip
Common caragana- stipules
persistent spiny stipules
stipules in pairs
Common caragana- leaf
evenly pinnately compound
8-14 leaflets per leaf
leaflets elliptical to ovate
rounded base; leaflets sessile
pubescent (silky) in early spring, glabrous by summer
very short spine at apex of leaflet
Common caragana- flower
yellow, showy when in flower
quite fragrant, attracts bees
borne singly on short spurs on older growth
legume shaped flower
tasty flower
Common caragana- fruit
pod, cylindrical and slender, 1.5-2 inches long
multiple seeds, dehisces/explodes releasing seeds
pods mature mid to late august
pods twist after releasing seed; often retained over winter
Caragana arborescens ‘Sutherland’
tall columnar tree
a few stems close together at base
3 m tall +
Caragana arborescens ‘Lorbergii’
Fernleaf caragana
finely dissected leaves
Caragana arborescens ‘Pendula’
Weeping caragana
regular leaves
can be grafted onto a common caragana or grown on its own roots
standard: 3’ or higher rootstock with multiple scions grafted
many flowers
looks like common caragana only very weeping form
Cutleaf weeping caragana
top grafted onto common caragana standard
weeping form with finely dissected leaves
Caragana frutex ‘globosa’
Globe Caragana
often used as unpruned hedge or masses
Globe caragana- leaf
even pinnate compound
4 leaflets per leaf (appears like leaflets are palmate)
obovate to oblong-ovate; acute base
leaflets often mucronate
stipules sharp and persistent