Scientific Name:
Rubus ursinus
x
idaeus
Pronunciation:
ROO-bus ur-SEE-nus ex eye-DAY-ee-us
Common Name:
boysenberry
Family Name:
Rosaceae
Plant Type:
Semi-evergreen, Vine or climber
Key ID Features:
Spreading or trailing habit (or tied to trellis); leaves pinnately compound with 7 ovate, doubly serrated leaflets in distinctive pattern, small prickles and stipules on petiole; fruit large, dark maroon coloured 'blackberry'.
Habit:
Arching, Irregular, Spreading
Form:
Creeping / Mat-like, Weeping
Texture:
Medium - coarse
Mature Height:
1.3 - 2.0m
Mature Spread:
1.5 - 2.0m
Growth Rate:
Fast
Origin:
Garden origin (R. ideaus X R. fruticosis X R. x loganobaccus)
Hardiness Rating:
Zone 7: (-18 to -12 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Screening, Urban agriculture
Additional Info:
Leaf Morphology:
Form:
Compound
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Heavily veined, Pinnate venation
Surfaces:
Rugose
Colour in Summer:
Dark-green
Colour in Fall:
Green-yellow
Shapes:
Elliptic, Ovate
Apices:
Acute
Bases:
Rounded
Margins:
Double serrate, Incised, Serrate
Additional Info:
7 leaflets: rachis separating the 4 near base and the 3 near apex
Inflorescence Type:
Flowers clustered, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Colour (petals):
Showy, White
Flower Time at Peak:
Jun, Jul
Additional Info:
Many simple pistils
Fruit Type:
Aggregate fruit, Drupe, Edible
Fruit Colour:
Purple, Dark-red (deep maroon when ripe)
Fruiting Time:
Aug, Sep
Additional Info:
Showy, Edible,
Bark or Stem Colour:
Organ Modifications:
Prickles, Stipule, leafy, prickles few and small
Propagation:
Cuttings, Layering
Pest Susceptibility:
Mold, Root rot, Rust
