Details of...
Scientific Name: Magnolia sieboldii
Pronunciation: mag-NO-lee-uh SEE-bold-ee-eye
Common Name: Oyama magnolia
Family Name: Magnoliaceae
Plant Type: Tree - deciduous
Key ID Features: Leaves ovate, dark green, grayish beneath, flowers nodding, 6-9(-12) tepals, white with pink to crimson stamens, cup-shaped, fragrant, most 7-10 cm wide, fruit aggregate pink-red before turning brown as the follicles open to reveal their single orange-red seed. s. Winter ID: habit spreading, vase shaped, buds opposite, boat shaped, felty; lenticels whitish.
Course(s): HORT 2355

Habit: Spreading
Form: Vase
Texture: Coarse
Mature Size:
Height:7 - 10m
Spread:10 - 15m
Growth Rate:Moderate
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: Humus rich, Well-drained
Landscape Uses: Fall interest, Small garden/space, Specimen plant, Spring interest, Street (boulevard tree), Woodland margin
Additional Info: Google
Oyama magnolia
Leaf Morphology: Glossary
Form: Simple
Arrangement: Alternate
Texture/ Venation: Leathery, Pinnate venation
Surfaces: Glabrous
Colour in Fall: Yellow
Leaf(let) Terms:
Shapes: Obovate, Ovate
Apices: Obtuse
Bases: Cordate, Rounded
Margins: Entire

Inflorescence Type: Flowers solitary
Flower Morphology:Flowers perfect
Number of Petals:10
Corolla Shape:Rotate/stellate
Ovary Position:Superior
Colour (petals): Showy, White, (pink stamens)
Flower Scent: Fragrant
Flower Time at Peak: May, Jun, Jul, Aug
Additional Info: Many simple pistils

Fruit Type: Follicle, Aggregate fruit
Fruit Colour: Pink, Brown, Red, (eventually releasing some orange seed before dropping)
Fruiting Time: Sep, Oct
Additional Info: Showy

Bark Morphology: Multi-stem trunk
Bark or Stem Colour: Olive, Tan
Leaf Scar Shape:Crescent shaped

Propagation: Seed, Layering, Eye (leaf bud) cuttings, Cuttings
Plant Care:
Maintenance:Medium maintenance plant
Pest Susceptibility: Pest resistant, Disease resistant
(ONW) Overpass North side West : 842
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