Microeconomics is primarily concerned with the factors that affect individual economic choices, the effect of changes in these factors on the individual decision makers, how their choices are coordinated by markets, and how prices and demand are determined in individual markets.
Tansy is a perennial member of the aster family, with serrated, fernlike leaves and flat bright yellow flowers that resemble buttons. Originally native to Europe and Asia, tansy is now widely grown and has a number of traditional medicinal uses, though most modern herbalists warn against its use by laymen.
Genus. Rafflesia. The dramatic Rafflesia flowers are the largest single flowers in the world; the leathery petals can reach over 90 centimetres across. Rafflesia is a parasite that depends completely upon its host; the majority of the plantâs tissues exist as thread-like strands entirely within the hostâs cells.afflesia. The dramatic Rafflesia flowers are the largest single flowers in the world; the leathery petals can reach over 90 centimetres across. Rafflesia is a parasite that depends completely upon its host; the majority of the plantâs tissues exist as thread-like strands entirely within the hostâs cells.