Scientific Name:
Caragana arborescens
Pronunciation:
kar-uh-GUN-uh are-bore-ESS-enz
Common Name:
Siberian peashrub
Family Name:
Fabaceae
Plant Type:
Shrub - deciduous
Key ID Features:
Leaves alternate, up to 12cm long x 5cm wide, even-pinnately compound with 4-5(-7) pairs of broadly elliptic leaflets 2.5-3.5cm long x 1.5-2.5cm wide (may be linear and <1cm wide in some cvs.); flowers yellow, pea-like in axilary clusters, May. Winter ID: buds ovoid, 4-5mm long; rounded leaf scars about 1mm wide between spiny stipules about 5mm long.
Habit:
Open, Upright
Form:
Oval - vertical
Texture:
Fine
Mature Height:
3 - 5m
Mature Spread:
2 - 3m
Growth Rate:
Moderate
Origin:
Central / west Asia (N. China)
Hardiness Rating:
Zone 2: (-46 to -40 °C)
Exposure:
Full sun
Soil/Growing Medium:
Alkaline, Rocky or gravelly or dry, Well-drained
Water Use:
Moderate, Low
Landscape Uses:
Hedge row, Screening, Wind break
Additional Info:
Google. Cultivars shown may include C. 'Lorbergii' (linear leaflets), C. 'Pendula' and C. 'Walker'. Compare to weeping Scotch laburnum.
Leaf Morphology:
Form:
Compound
Arrangement:
Alternate
Texture/Venation:
Soft flexible
Surfaces:
Glabrous
Compound Leaf:
Even-pinnate
Colour in Fall:
Yellow
Shapes:
Elliptic, Linear
Apices:
Cuspidate, Rounded
Bases:
Rounded
Margins:
Entire
Inflorescence Type:
Flowers clustered
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Bilabiate
Ovary Position:
Superior
Colour (petals):
Showy, Yellow
Flower Time at Peak:
May
Fruit Type:
Legume
Fruit Colour:
Green-yellow, Brown
Fruiting Time:
Jun, Jul
Bark Morphology:
Prominent lenticels
Bark or Stem Colour:
Grey, Green, Brown
Leaf Scar Shape:
Round
Organ Modifications:
Root nodules (N-fixing), Stipule, pointy spines
Propagation:
Seed, Cuttings
Maintenance:
Low
Pest Susceptibility:
(Pest resistant, Disease resistant, Deer resistant, Rabbit resistant, Drought tolerant)
