Ricinus caruncle promotes the dispersal of the seed by ants (myrmecochory). The name "Ricinus" is a Latin word for tick; the seed is so named because it has markings and a bump at the end that resemble certain ticks. The genus "Ricinus" also exists in zoology, and designates insects (not ticks) which are parasites of birds; this is possible because the names of animals and plants are governed by different nomenclature codes. The common name "castor oil" probably comes from its use as a replacement for castoreum, a perfume base made from the dried perineal glands of the beaver ("castor" in
Pith and substance to determine the pith and substance or essential character of the law: The pith and substance analysis is not technical or formalistic it is essentially a matter of interpretation. The court looks at the words used in the impugned legislation as well as the background and circumstances surrounding its enactment. In conducting this analysis, the court should not be concerned with the efficacy of the law or whether it achieves the legislature’s goals. There are two significant principles to be used in determining whether a matter falls within a particular federal or provincial jurisdiction: Once the law has been characterized