Scientific Name:	Aesculus hippocastanum
Pronunciation:	ESS-kew-lus hip-oh-kass-TAY-num
Common Name:	common horse chestnut
Family Name:	Sapindaceae
Plant Type:	Tree - deciduous
Key ID Features:	Leaf large, palmately compound with 5 obovate leaflets to 30 cm long; florets with 4 or 5 petals, white with pink markings, in 20 cm long panicles; fruit large spiny capsule, splits to release large, glossy brown seed. Winter ID: buds brown, opposite, large (2 cm) and sticky; leaf scar large, with 7 distinct bundle scars.
Course(s):	AARB 1012, HORT 1155, Level 1 Apprenticeship, CLT Training

Habit: Open, Upright Form: Round Texture: Coarse Mature Size: Height: 22 - 30m Spread: 15 - 25m Growth Rate: Moderate Origin: Europe Hardiness Rating: Zone 5: (-29 to -23 C) Exposure: Full sun, Part sun/part shade Soil/ Growing Medium: Well-drained Water Use: Moderate Landscape Uses: Specimen plant, Spring interest Additional Info: Google

Leaf Morphology: Glossary Form: Compound Arrangement: Opposite Texture/ Venation: Heavily veined, Palmate venation Surfaces: Compound Leaf: Digitate (palmate) Colour in Fall: Yellow, Brown Leaf(let) Terms: Shapes: Obovate Apices: Acuminate Bases: Cuneate Margins: Double serrate Additional Info: leaflets 13 - 30 cm long

Inflorescence Type: Floriferous, Panicle-like, Thyrse Flower Morphology: Flowers perfect Number of Petals: 4 Corolla Shape: Rotate/stellate Ovary Position: Superior Colour (petals): Showy, White Flower Time at Peak: Apr, May Additional Info: 20 to 50 florets per panicle (actually a thyrse because the branches are cymose)

Fruit Type: Capsule Fruit Colour: Green, Brown Fruiting Time: Sep, Oct Additional Info: Showy, only 1 to 5 develop per panicle; spiny and nut-like but splits along carpel lines to release a single (rarely 2 or 3) seed

Bark Morphology: Plated Bark or Stem Colour: Grey, Brown     Leaf Bud Type: Ovoid Leaf Scar Shape: U-shaped

Propagation:	Seed, Grafting
Pest Susceptibility:	Anthracnose, Fungal leaf spot, Heteroptera - true bugs, Leaf scorch, ( Deer resistant, Drought resistant )
Specific Pests:	Psyllids, leafhoppers., leaf blotch fungus, Guignardia aesculi, leaf scorch (xylem fungus involved)

Location(s): (BCW) Boulevard (Circular) Westend : 287, 288, 289, 290 (BGR) Boulevard by Glover Road : 291, 292 (NRY) NuRserY : 567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579, 580, 587 (QRR) Quercus Robur Row planting : 135, 136 Location Map

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