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Scientific Name:
Rodgersia pinnata
Pronunciation:
ruh-JUR-zeuh pih-NAY-tuh
Common Name:
rodgersia
Family Name:
Saxifragaceae
Plant Type:
Herbaceous perennial
Key ID Features:
Leaves mainly basal, pinnately compound or may appear palmate like horse chestnut, 5-9 leaflets, most obovate, (7-)10-20(-32)cm long × 5-10cm wide, margin double serrate, crinkled, pubescent undersides along veins, petioles 4-33cm long; panicles 12-31cm long (reminiscent of astilbe), flowers, 4-6mm wide, sepals petal-like, cream to pink to red, Jun-Jul.

Habit:
Arching, Upright
Form:
Mounded
Texture:
Very coarse
Mature Height:
0.7 - 1.3m
Mature Spread:
0.6 - 1.0m
Origin:
S.E. Asia / Japan / China
Hardiness Rating:
Zone 6: (-23 to -18 °C)
Exposure:
Full sun only if soil kept moist, Part sun/part shade
Soil/Growing Medium:
Well-drained
Landscape Uses:
Perennial border, Waterside planting, Woodland margin
Additional Info:
Google. Cultivars shown include R. 'Superba' and R. 'Elegans'.

Leaf Morphology:
Form:
Compound
Arrangement:
Alternate, Basal
Texture/Venation:
Leathery, Heavily veined, Pinnate venation
Surfaces:
Rugose, Pubescent
Compound Leaf:
Odd-pinnate
Colour in Summer:
Dark-green
Colour in Fall:
Dark-red, Bronze
Shapes:
Elliptic, Oblong, Obovate
Apices:
Acuminate
Bases:
Attenuate
Margins:
Double serrate
Additional Info:
Some leaves may appear palmate until rachis expands

Inflorescence Type:
Panicle
Flower Morphology:
Flowers perfect
Number Of Petals:
0
Corolla Shape:
Rotate/stellate
Ovary Position:
Inferior
Colour (petals):
Showy, White, Yellow, Pink, Red
Flower Time at Peak:
Jun, Jul
Additional Info:
5 petal-like sepals

Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct
Additional Info:
Not showy

Bark or Stem Colour:
Green
Organ Modifications:
Rhizomes
Maintenance:
Medium
Pest Susceptibility:
(Pest resistant, Disease resistant, Deer resistant)

Course(s):
  • not used (on campus)
Location(s):
  • (GAZ)  GAZebo
  • (GAZS)  GAZebo South : confirm ID - some leaves are pinnate
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