Scientific Name:	Oplopanax horridus
Pronunciation:	op-loe-PAY-nacks HORE-ih-dus
Common Name:	devil's club
Family Name:	Araliaceae
Plant Type:	Shrub - deciduous
Key ID Features:	Stems, petioles, and veins on underside of leaves covered in sharp prickles; leaves spirally arranged, palmate with 5-13 lobes, 20-40 cm wide; florets small with five greenish-white petals, in dense umbels 10-20 cm wide; drupes red, 4-7 mm wide.
Course(s):	not used (on campus)

Habit: Upright Form: Vase Texture: Very coarse Mature Size: Height: 1.3 - 2.0m Spread: 1.0 - 1.5m Growth Rate: Slow Origin: B.C. west of Cascades, U.S. - northwest Hardiness Rating: Zone 4: (-34 to -29 C) Exposure: Filtered shade, Full sun only if soil kept moist, Part sun/part shade Soil/ Growing Medium: Acidic, Bog Water Use: High Landscape Uses: Medicinal plant, Native planting, Security/barrier, Waterside planting, Wetland - bogs, Woodland margin Additional Info: Google

Leaf Morphology: Form: Lobed, Simple Arrangement: Alternate, Spiraled Texture/ Venation: Leathery Surfaces: Rugose Colour in Summer: Green, Green-yellow Colour in Fall: Yellow Leaf(let) Terms: Shapes: Orbicular Apices: Obtuse Bases: Cordate Margins: Palmately lobed, Serrate

Inflorescence Type: Umbel Flower Morphology: Flowers perfect Number of Petals: 5 Corolla Shape: Rotate/stellate Ovary Position: Inferior Colour (petals): Not showy, Green-yellow, White Flower Time at Peak: Jun

Fruit Type: Drupe Fruit Colour: Red Fruiting Time: Jul, Aug Additional Info: Showy

Bark Morphology: Other Bark or Stem Colour: Dark Grey Additional Info: very prickly     Organ Modifications: Prickles

Propagation:	Layering
Pest Susceptibility:	Pest resistant, Disease resistant, Deer resistant, Rabbit resistant

Location(s): (BCE) Boulevard (Circular) Eastend Location Map

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