Scientific Name:
Arisaema sikokianum
Pronunciation:
air-ih-SEE-muh sih-koe-kee-AY-num
Common Name:
Japanese Jack-in-the-pulpit
Family Name:
Araceae
Plant Type:
Herbaceous perennial
Key ID Features:
Leaves basal, most ovate with 5 leaflets 5-9cm long x 2-6cm wide; spathe with a purplish base, a snow-white cup, and a large hood with purple, green and white stripes.
Habit:
Spreading, Upright
Form:
Mounded
Texture:
Medium - coarse
Mature Height:
0.2 - 0.4m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Slow
Origin:
S.E. Asia / Japan / China (Shikoku Island, Japan)
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Part sun/part shade, Filtered shade, Deep shade
Soil/Growing Medium:
Humus rich, Well-drained
Water Use:
Low
Landscape Uses:
Accent plant, Alpine, Cut flower or foliage, Group or mass planting, Perennial border, Spring interest, Woodland margin
Additional Info:
Google. Compare to cobra lily.
Leaf Morphology:
Form:
Simple
Arrangement:
Basal
Texture/Venation:
Soft flexible, Heavily veined
Surfaces:
Glabrous
Colour in Summer:
Green, Yellow
Colour in Fall:
Yellow, Brown
Shapes:
Ovate
Apices:
Acuminate
Bases:
Cuneate
Margins:
Serrate
Additional Info:
Leaves variegated
Inflorescence Type:
Spadix (& spathe), Floriferous
Flower Morphology:
Monoecious plant
Number Of Petals:
0
Colour (petals):
Showy, White, Purple
Flower Scent:
Fragrant
Flower Time at Peak:
Apr, May
Fruit Type:
Berry (true)
Fruit Colour:
Orange, Red
Fruiting Time:
Jun, Jul
Additional Info:
Showy
Bark or Stem Colour:
Additional Info:
No above ground stem
Organ Modifications:
Corms
Propagation:
Seed, Division - below ground parts
Pest Susceptibility:
Slugs or snails (Pest resistant, Disease resistant, Deer resistant)
