Details of...
Scientific Name: Ricinus communis
Pronunciation: RISS-ih-niss kum-YOU-niss
Common Name: castor bean
Family Name: Euphorbiaceae
Plant Type: Annual
Key ID Features: Leaves glossy, 15-45 cm long, long-stalked, alternate and palmate with 5-12 deep lobes with coarsely toothed segments; panicle-like inflorescence up to 15 cm long with lower male and upper female flowers, reddish stigmas and or bracts; fruit a spiny capsule about 2 cm wide.
Course(s): HORT 2355

Habit: Upright
Form: Vase
Texture: Very coarse
Mature Size:
Height:1.3 - 2.0m
Spread:0.6 - 1.0m
Growth Rate:Fast
Origin: Europe
Hardiness Rating: Zone 9: (-7 to -1 C)
Exposure: Full sun
Soil/ Growing Medium:
Landscape Uses: Summer interest (Caution: poisonous parts)
Additional Info: Google
castor bean
Leaf Morphology: Glossary
Form: Lobed, Simple
Arrangement: Alternate
Texture/ Venation: Heavily veined, Leathery, Palmate venation
Surfaces: Glabrous
Colour in Summer: Purple, Dark-red, Green, Bronze, Brown, Nearly Black, Some varieties are dark reddish purple or bronze when young and the gradually turn dark green +/- a reddish tinge by maturity
Leaf(let) Terms:
Shapes: Orbicular
Apices: Rounded
Bases: Peltate, Rounded
Margins: Palmately lobed, Serrate

Inflorescence Type: Panicle-like, Cyme
Flower Morphology:Monoecious plant
Number of Petals:0
Ovary Position:Superior
Colour (petals): Showy, Red, Pink, Green
Flower Time at Peak: Jul, Aug

Fruit Type: Schizocarp
Fruit Colour: Red, Brown, Green, Pink
Fruiting Time: Sep, Oct
Additional Info: Showy, Mericarps (3) split open to release a single seed

Bark or Stem Colour: Red

Pest Susceptibility: Pest resistant, Disease resistant
(LTW) Langley Township Walk
(NCA) Not Currently Available : needed
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