Scientific Name:
Epimedium
x
perralchicum
Pronunciation:
ep-ih-MEE-dee-um ex pur-AL-kih-kum
Common Name:
yellow epimedium, barrenwort, hybrid bishop's hat
Family Name:
Berberidaceae
Plant Type:
Ground cover, Herbaceous perennial
Key ID Features:
Leaves basal, biternate, leaflets pinnately compound, pinnae ovate, most blades 5-8cm long x 3-5cm wide, base cordate, with bronze colouring in spring and fall; flowers bright yellow 2-3cm wide with short brown spurs, Apr-May.
Habit:
Spreading
Form:
Creeping / Mat-like
Texture:
Medium - coarse
Mature Height:
0.2 - 0.4m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Moderate
Origin:
Garden origin (E. perralderianum x E. pinnatum)
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Part sun/part shade, Filtered shade, Sheltered
Soil/Growing Medium:
Humus rich, Well-drained
Water Use:
Moderate
Landscape Uses:
Ground cover, Woodland margin
Additional Info:
Google. Cultivars shown or on campus may include E. 'Frohnleiten'.
Leaf Morphology:
Form:
Compound
Arrangement:
Basal
Texture/Venation:
Leathery, Pinnate venation
Surfaces:
Lustrous
Compound Leaf:
Trifoliate (ternate)
Colour in Summer:
Green-yellow, Bronze, bronze with red margins when young
Shapes:
Ovate
Apices:
Acute
Bases:
Cordate
Margins:
Pinnately lobed, Spinose
Inflorescence Type:
Raceme
Flower Morphology:
Flowers perfect
Number Of Petals:
4
Corolla Shape:
Cruciform
Ovary Position:
Superior
Colour (petals):
Yellow (bright golden yellow, short brown spurs)
Flower Time at Peak:
Apr, May
Fruit Type:
Aborted (hybrids) or absent
Fruit Colour:
Fruiting Time:
Additional Info:
Fruit insignificant
Bark or Stem Colour:
n/a
Organ Modifications:
Rhizomes
Propagation:
Cuttings, Division - below ground parts
Maintenance:
Low
Other:
Remove old foliage in March before flowering
Pest Susceptibility:
Sawflies or horntails or ants, Virus (Pest resistant, Disease resistant, Deer resistant, Rabbit resistant, Drought tolerant)
Course(s):
- HORT 2355
Location(s):
- (BKW) Boulevard Kwantlen Way
- (HPZ) Horticulture PlaZa