Scientific Name:
Lupinus polyphyllus
(incl. hybrid cvs.)
Pronunciation:
loo-PYE-nus poll-ee-FILL-us
Common Name:
lupine
Family Name:
Fabaceae
Plant Type:
Herbaceous perennial
Key ID Features:
Large upright colourful racemes and palmately compound leaves with 9-17 leaflets; florets numerous in long cylindrical racemes; legumes fuzzy, 3-8cm long.
Habit:
Stiffly upright
Form:
Pyramidal - narrowly
Texture:
Medium - fine
Mature Height:
0.7 - 1.3m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Fast
Origin:
U.S. - northwest
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Landscape Uses:
Attract beneficial insects, Perennial border, Summer interest
Additional Info:
Google. Russell Hybrids are very popular in gardens and there are many named cultivars.
Leaf Morphology:
Form:
Compound
Arrangement:
Alternate
Texture/Venation:
Soft flexible
Surfaces:
Glabrous
Compound Leaf:
Digitate (palmate)
Shapes:
Lanceolate, Obovate
Apices:
Acute
Bases:
Cuneate
Margins:
Entire
Inflorescence Type:
Raceme, Spike-like
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Bilabiate
Ovary Position:
Superior
Colour (petals):
White, Orange, Yellow, Blue, Pink, Red (Species is commonly purple (sometimes pink or white))
Flower Time at Peak:
May, Jun, Jul, Aug
Fruit Type:
Legume
Fruit Colour:
Green, Brown, Black
Fruiting Time:
Aug, Sep, Oct, Nov
Bark or Stem Colour:
Green
Organ Modifications:
Root nodules (N-fixing), Stipule, leafy, Storage tap root
Pest Susceptibility:
Aphids or adelgids, Mildew (Pest resistant, Deer resistant, Rabbit resistant, Drought tolerant)
Course(s):
- not used (on campus)
Location(s):
- (BCE) Boulevard (Circular) Eastend
- (JPL) Juglans PLanting
- (WDH) Wark-Dumais House