Details of...
Scientific Name: Fraxinus ornus
Pronunciation: FRACKS-ih-nus ORE-nus
Common Name: flowering ash, manna ash
Family Name: Oleaceae
Plant Type: Tree - deciduous
Key ID Features: Leaves with 5-9 finely serrated leaflets that are 5–10 cm long x 2-4 cm wide. pinnate, 20-30 cm long; flowers in dense panicles 10-20 cm long after leaves, each floret has four slender creamy white petals 5-6 mm long. Winter ID: bark smooth, dark grey; buds pale pinkish-brown to grey-brown, with a dense covering of short grey hairs.
Course(s): not used (on campus)

Habit: Upright
Form: Round
Texture: Medium
Mature Size:
Height:10 - 15m
Spread:10 - 15m
Growth Rate:Moderate
Origin: Central / west Asia, Europe
Hardiness Rating: Zone 6: (-23 to -18 C)
Exposure: Full sun, Part sun/part shade
Soil/ Growing Medium: Well-drained
Landscape Uses: Shade tree, Specimen plant, Spring interest, Street (boulevard tree)
Additional Info: Google
flowering ash, manna ash
Leaf Morphology: Glossary
Form: Compound
Arrangement: Opposite
Texture/ Venation: Pinnate venation, Soft flexible
Surfaces: Glabrous
Compound Leaf: Leaflets stalked, Odd-pinnate
Colour in Fall: Yellow
Leaf(let) Terms:
Shapes: Elliptic, Obovate
Apices: Acuminate
Bases: Attenuate
Margins: Serrulate

Inflorescence Type: Floriferous, Panicle
Flower Morphology:Flowers perfect
Number of Petals:4
Corolla Shape:Ligulate
Ovary Position:Superior
Colour (petals): Showy, White
Flower Time at Peak: May, Jun
Additional Info: Can also be monoecious or with perfect flowers

Fruit Type: Samara
Fruit Colour: Green, Brown
Fruiting Time: May, Jun
Additional Info: fruit is a slender samara 1.5-2.5 cm long, the seed 2 mm broad and the wing 4–5 mm broad, green ripening brown

Bark Morphology: Smooth
Bark or Stem Colour: Dark Grey

Pest Susceptibility: Anthracnose, Fungal leaf spot, Rust,
Specific Pests: Gnomoniella fraxini
(WLG) WoodLand Garden
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