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Scientific Name: Styrax obassia
Pronunciation: STYE-racks ub-ASS-ee-uh
Common Name: fragrant styrax
Family Name: Styracaceae
Plant Type: Tree - deciduous
Key ID Features: Leaves alternate, broadly ovate, velvety undersides, entire or apex may be toothed, most about 12-18 cm long; raceme up to 15 cm long, most with 10-20 pendulous florets, white, fragrant, 2-3 cm wide; drupe-like capsules about 1.5 cm wide, usually single seeded, like hanging balls. Winter ID: buds fuzzy, appear split in two with one 2-3 times larger; tan coloured exfoliating bark, fallen fruit.
Course(s): HORT 2355

Habit: Dense, Open, Spreading
Form: Round
Texture: Very coarse
Mature Size:
Height:7 - 10m
Spread:5 - 7m
Growth Rate:Fast
Hardiness Rating: Zone 6: (-23 to -18 C)
Exposure: Full sun, Part sun/part shade
Soil/ Growing Medium: Well-drained
Water Use: Moderate
Landscape Uses: Accent plant, Fragrance, Screening, Shade tree, Specimen plant, Spring interest, Street (boulevard tree), Summer interest
Additional Info: Google
fragrant styrax
Leaf Morphology: Glossary
Form: Simple
Arrangement: Alternate
Texture/ Venation: Soft flexible
Surfaces: Pubescent, Tomentose
Colour in Fall: Yellow
Leaf(let) Terms:
Shapes: Ovate
Apices: Acute
Margins: Dentate
Additional Info: soft like velvet

Inflorescence Type: Floriferous, Raceme
Flower Morphology:Flowers perfect
Number of Petals:5
Corolla Shape:Campanulate
Ovary Position:Perigynous
Colour (petals): Showy, White
Flower Scent: Unpleasant
Flower Time at Peak: May, Jun

Fruit Type: Capsule
Fruit Colour: Brown
Fruiting Time: Oct
Additional Info: Showy, Edible

Bark Morphology: Showy, Papery, Exfoliating
Bark or Stem Colour:

Propagation: Seed
Pest Susceptibility: Pest resistant, Disease resistant
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