Scientific Name:
Chamaecyparis obtusa
cvs.
Pronunciation:
kam-ee-SIPP-ur-iss ub-TOO-zuh
Common Name:
Hinoki false cypress
Family Name:
Cupressaceae
Plant Type:
Conifer
Key ID Features:
Pyramidal habit with flattened branchlets, locally slow growing cultivars are mostly <4m tall (species can grow >30m tall in wild); leaves scale-like, 2-4mm long, tip blunt, greenish above, with a white stomatal band at the base of each scale-leaf on lower surface; pollen cones at tips, orange-brown, spherical, 1-2mm long; seed cones globose, 8-12mm wide, 8-10(-12) scales arranged in opposite pairs; seeds about 3mm long with wing 4mm wide. Conifers.org
Habit:
Dense, Upright
Form:
Pyramidal - narrowly
Texture:
Medium - fine
Mature Height:
3 - 5m
Mature Spread:
2 - 3m
Growth Rate:
Slow
Origin:
S.E. Asia / Japan / China
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Well-drained
Landscape Uses:
Accent plant, Mixed shrub border, Rock garden, Small garden/space, Specimen plant
Additional Info:
Google. Cultivars shown or on campus may include C. 'Aurea', C. 'Gracilis', C. 'Kosteri', C. 'Lutea Nana', C. 'Nana', C. 'Nana Gracilis', C. 'Verdoni', C. 'Bridget', and C. 'Torulosa'.
Leaf Morphology:
Form:
Scale-like
Arrangement:
Opposite, Imbricate
Texture/Venation:
Leathery
Surfaces:
Lustrous
Colour in Summer:
Green, Dark-green, Green-yellow, depends on cultivar
Colour in Fall:
Green, Dark-green, Green-yellow
Shapes:
Rhomboidal
Apices:
Obtuse
Bases:
Truncate
Margins:
Entire
Inflorescence Type:
n/a (male cone)
Flower Morphology:
Monoecious plant
Colour (petals):
Male cone, No flowers, Orange, Red, Brown
Flower Time at Peak:
Mar, Apr
Fruit Type:
Cone (winged seeds)
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct
Additional Info:
Fruit insignificant, Persistent, Fruit turn brown and are round in the first year before opening in the fall of the second year
Bark Morphology:
Exfoliating, Moderately fissured
Bark or Stem Colour:
Red, Brown
Maintenance:
Low
Other:
Some dwarf cultivars may survive in Zone 4 in a wind sheltered location with mulching
Pest Susceptibility:
Caterpillar or cutworm, Root rot (Pest resistant, Disease resistant)
Course(s):
- HORT 2355
Location(s):
- (AGB) Acer Griseum Bed : cvs. Bridget and Torulosa
- (FEA) Field lab Equipment Area : cvs. Gracilis and Kosteri
- (HPZ) Horticulture PlaZa : q.3 cv?
- (ONE) Overpass North side East : 2