Scientific Name:
Fraxinus ornus
Pronunciation:
FRAK-si-nus ORE-nus
Common Name:
manna ash, flowering ash
Family Name:
Oleaceae
Plant Type:
Tree - deciduous
Key ID Features:
Leaves pinnately 20-30cm long with (5-)7(-9) finely serrated leaflets with most 7-11cm long x 2-4cm wide; flowers in dense panicles 10-20cm long after leaves, each floret has four slender creamy white petals 5-6mm long; samaras 2-2.5cm long x 4-7mm wide, hanging in clusters, appear green in summer and mature brown in fall. Winter ID: bark smooth, dark grey; buds fuzzy, orangish-grey to brown; leaf scars half-round; vein scars numerouns, tiny, forming nearly an oval ring.
Habit:
Upright
Form:
Round
Texture:
Medium
Mature Height:
7 - 10m
Mature Spread:
7 - 10m
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:
Fall interest, Shade tree, Specimen plant, Spring interest, Street (boulevard tree)
Additional Info:
Leaf Morphology:
Form:
Compound
Arrangement:
Opposite
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Glabrous
Compound Leaf:
Odd-pinnate, Leaflets stalked
Colour in Fall:
Yellow, Orange, Red
Shapes:
Elliptic, Obovate
Apices:
Acuminate
Bases:
Attenuate
Margins:
Serrulate
Additional Info:
Spectacular fall colour
Inflorescence Type:
Panicle, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
4
Corolla Shape:
Ligulate
Ovary Position:
Superior
Colour (petals):
Showy, White
Flower Scent:
Fragrant
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:
Jul, Aug, Sep, Oct, Nov
Additional Info:
Persistent, fruit is a slender samara 1.5-2.5cm long, the seed 2mm broad and the wing 4–5mm broad, green ripening brown
Bark Morphology:
Smooth
Bark or Stem Colour:
Dark Grey
Leaf Bud Type:
Rounded or globular
Leaf Scar Shape:
Half-round
Pest Susceptibility:
Anthracnose, Fungal leaf spot, Rust
Specific Pests:
