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Scientific Name:
Begonia grandis
Pronunciation:
beh-GOHN-yuh GRAN-diss
Common Name:
hardy begonia, giant begonia
Family Name:
Begoniaceae
Plant Type:
Herbaceous perennial
Key ID Features:
Leaves alternate, toothed, some cvs. are lobed, ovate, most blades 10-15cm long x 6-10cm wide when mature, with uneven cordate bases, veins reddish; florets pale pink (or white cv.), in pendulous dichotomous cymes.

Habit:
Arching, Upright
Form:
Oval - horizontal
Texture:
Very coarse
Mature Height:
0.4 - 0.7m
Mature Spread:
1.0 - 1.5m
Growth Rate:
Fast
Origin:
S.E. Asia / Japan / China
Hardiness Rating:
Zone 7: (-18 to -12 °C)
Exposure:
Full sun only if soil kept moist, Part sun/part shade, Filtered shade, Deep shade
Soil/Growing Medium:
Humus rich, Well-drained
Water Use:
High
Landscape Uses:
Summer interest, Woodland margin
Additional Info:

Leaf Morphology:
Form:
Simple, Lobed
Arrangement:
Alternate
Texture/Venation:
Soft flexible
Surfaces:
Glabrous
Colour in Summer:
Dark-green, Silver / Grayish
Shapes:
Ovate
Apices:
Acute
Bases:
Cordate, Oblique (uneven)
Margins:
Dentate, Serrate

Inflorescence Type:
Cyme, Floriferous, Corymb-like
Flower Morphology:
Monoecious plant
Number Of Petals:
4
Corolla Shape:
Rotate/stellate
Ovary Position:
Superior
Colour (petals):
Showy, White, Pink
Flower Scent:
None
Flower Time at Peak:
May, Jun, Jul, Aug, Sep, Oct
Additional Info:
Pendulous

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

Bark or Stem Colour:
Green
Organ Modifications:
Tubers
Propagation:
Division - below ground parts
Pest Susceptibility:
(Pest resistant, Disease resistant)

Course(s):
  • not used (off campus)
Location(s):
  • (NCA)  Not Currently Available : not used
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