A large plant grown for its foliage, structure and flowers. Most parts of this plant are poisonous.
Pronunciation
(RISS-i-nus)
Plant Type
All Plants, Perennial Tender
Hardiness Zone
9-11, annual else where
Sunlight
full, mostly sunny
Moisture
average
Soil & Site
average
Flowers
lack petals , found in terminal panicles, male part made of branched filaments found at the base, female flower forms feathery pistils, pink
Fruit
The seeds are formed in a spiky fruit. When ripe the rather large, bean-like seeds will be shot (dehisce) many feet from the pod. Seeds are very ornamental each having varied patterns of tan and lighter strikes on the brown seed.
Leaves
long petioles (peltate) that attach to the palmately lobed large leaf
Dimensions
6 plus feet tall by equal spread
Propagation
seeds, soaked in water, can be seeded directly or seeded in a peat pot
Native Site
Egypt to Western Asia
Misc Facts
The seeds and many other parts of this plant are poisonous but the oil isn't. Castor oil is used in varnish, paints, as a lamp fuel, lubricant and as a Snake Oil elixir. The genus name Ricinus comes from the word ricinus which means tick, the appearance of the seed. They do look like large blood swollen Wood Ticks that can be found on animals. During the middle ages the leaf of this plant was referred to as Palma Christi (the Hand of Christ)
Notes & Reference
#48-Harrowsmiths Annual Garden (Bennett and Forsyth), #51-Armitage's Manual of Annuals, Biennials, and Half-Hardy Perennials (Alan Arimitage)