Scientific Name:
Metasequoia glyptostroboides
Pronunciation:
met-uh-sih-KWOY-uh glip-toe-stroe-boe-EYE-deez
Common Name:
dawn redwood
Family Name:
Cupressaceae
Plant Type:
Conifer, Tree - deciduous
Key ID Features:
Deciduous conifer locally; leaves opposite, yew-like (soft flat needles), midrib groove, apex obtuse, 1-3cm long x 1.5-2mm wide; seed cones mostly elliptical, 15-25mm long x 10-15mm wide, terminal, solitary, scales woody 20-30 per cone; seeds 5-8 per scale, light brown, about 5mm long, with 2 broad, thin, paler wings; seedlings usually with 2 cotyledons and leaves 24-32(-64)mm long. Winter ID: bark is shaggy; trunk has depressions or an 'armpit' below branch attachments; fallen cones; buds small, yellowish, opposite, and perpendicular to twig (vs. bald cypress which has alternate buds). Conifers.org
Habit:
Spreading, Upright
Form:
Pyramidal - narrowly
Texture:
Medium - fine
Mature Height:
> 30m
Mature Spread:
4 - 5m
Growth Rate:
Fast
Origin:
S.E. Asia / Japan / China (China)
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun
Soil/Growing Medium:
Acidic, Humus rich, Well-drained
Water Use:
High, Moderate
Landscape Uses:
Screening, Specimen plant
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Opposite
Texture/Venation:
Soft flexible
Surfaces:
Glabrous
Colour in Fall:
Orange, Red, Brown
Shapes:
Linear
Apices:
Mucronate, Obtuse
Bases:
Decurrent, Rounded
Margins:
Entire
Additional Info:
Spectacular fall colour, May appear like even-pinnate leaflets
Inflorescence Type:
n/a (male cone)
Flower Morphology:
Dioecious plant
Colour (petals):
Male cone, No flowers, Brown
Flower Time at Peak:
Mar, Apr
Fruit Type:
Cone (winged seeds)
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct
Additional Info:
Not showy, Oval, most about 2cm long.
Bark Morphology:
Showy, Exfoliating, Stringy, Deeply fissured
Bark or Stem Colour:
Orange, Brown
Additional Info:
Morphology is highly variable
Leaf Bud Type:
Ovoid
Leaf Scar Shape:
Crescent shaped
Propagation:
Seed, Hardwood cuttings
Maintenance:
Low
Pest Susceptibility:
(Pest resistant, Disease resistant, Deer resistant)
Course(s):
- CLT Training
- HORT 1155
- Level 3 Apprenticeship
Location(s):
- (CGW) Community Garden West
- (ONE) Overpass North side East : 512
- (ONW) Overpass North side West
- (SQC) SeQuoiadendron Courtyard : 267, 268