the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound. 2. Chemistry.
The cultivated saffron (saffron crocus C. sativus) flowers in the autumn and comes up every year, so it is known as a perennial plant. It does not grow wild, and is now a triploid form of the eastern Mediterranean plant called Crocus cartwrightianus. It is thought that C. cartwrightianus came from Crete.he cultivated saffron (saffron crocus C. sativus) flowers in the autumn and comes up every year, so it is known as a perennial plant. It does not grow wild, and is now a triploid form of the eastern Mediterranean plant called Crocus cartwrightianus. It is thought that C. cartwrightianus came from Crete.
Clematis is a climbing plant that produces stunning blue, purple, pink, rose, yellow and white flowers all summer and into the fall. Certain cultivars can grow up to 20 feet (6.1 m) tall and live for over 80 years.Clematis require full sun on its blooms and cool shade over the roots in order to thrive.lematis will not grow unless they have a vertical structure to climb. During the first year, the support that came with the clematis will be sufficient for the plant's needs, but after that you'll need to provide a larger support, like a trellis or arbor, to encourage it to grow bigger.