The difference between two values divided by the average of the two values. Shown as a percentage.
Almost all species of the genus Calotis are native to Australia. One of these species is the Bindi-Eye (Calotis cuneifolia), also called the Purple Burr-daisy, a shrub-like herbaceous perennial that can be found growing throughout Australia, from the Northern Territory to New South Wales, Queensland and Victoria.
How to Grow Tansy Plants. Tansy is a lesser known, yet attractive flower. Native to Europe, these attractive, long lasting flowers are easy to grow. They look great both in the flower garden and in dried flower arrangements. Tansy is heat and drought tolerant, and requires little attention.