Scientific Name:
Geum macrophyllum
Pronunciation:
JEE-um mack-roe-FILL-um
Common Name:
large-leaved avens
Family Name:
Rosaceae
Plant Type:
Herbaceous perennial
Key ID Features:
Basal leaves compound with large terminal leaflet, stem leaves alternate and deeply lobed and coarsely serrate; cyme with 3-10 florets each with 5 rounded yellow petals and numerous pistils which become a globe of achenes about 2cm wide.
Habit:
Arching
Form:
Vase
Texture:
Medium - coarse
Mature Height:
0.4 - 0.7m
Mature Spread:
0.3 - 0.6m
Origin:
North America
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun only if soil kept moist, Part sun/part shade, Filtered shade
Soil/Growing Medium:
Landscape Uses:
Native planting, Perennial border, Waterside planting
Additional Info:
Leaf Morphology:
Form:
Lobed, Compound
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Palmate venation
Surfaces:
Pubescent
Compound Leaf:
Odd-pinnate
Shapes:
Ovate, Spatulate
Apices:
Rounded
Bases:
Attenuate, Cordate, Cuneate
Margins:
Pinnately lobed, Serrate
Inflorescence Type:
Cyme
Flower Morphology:
Flowers perfect
Number Of Petals:
6
Corolla Shape:
Rotate/stellate
Colour (petals):
Showy, Yellow
Flower Time at Peak:
May, Jun
Additional Info:
Many simple pistils
Fruit Type:
Achene
Fruit Colour:
Green, Brown
Fruiting Time:
Jul, Aug
Additional Info:
Not showy,
Bark or Stem Colour:
Green
Organ Modifications:
Stipule, leafy
Propagation:
Seed
Pest Susceptibility:
Root rot (Pest resistant, Disease resistant, Deer resistant, Drought tolerant)
Course(s):
- not used (on campus)
Location(s):
- (BCE) Boulevard (Circular) Eastend
- (BUG) BUG garden