The Cronquist system is a scheme for the classification of flowering plants (or angiosperms). This system was developed by Arthur Cronquist (1919- 1992) in his texts An Integrated System of Classification of Flowering Plants (1981) and The Evolution and Classification of Flowering Plants (1988). Cronquist's system places flowering plants into two broad classes, monocotyledons and dicotyledons. Related orders are placed into subclasses. Although the scheme is still widely used, it has been displaced by the work of the Angiosperm Phylogeny Group classification f ...

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See text Acanthus is both a common name and a genus of flowering plant in the Family Acanthaceae. In Europe an Acanthus is a plant (also called Bear's breeches) of this genus native to the Mediterranean region and characterized by large spiny leaves and flower spikes bearing white or purplish flowers. Several species (especially A. spinosa and A. mollis) are widely cultivated perennial ornamentals (see horticulture), and it has long been used ...

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Thunberg was born at Jönköping, and became a pupil of Carolus Linnaeus at Uppsala University. There he studied natural philosophy and medicine, and took his degree in 1767. In 1770, he left Sweden for Paris, to continue his studies in medicine and natural history. In 1771, during a stay in Amsterdam and Leiden, he studied their botanical gardens and musea. He was invited to visit the Dutch colonies and Japan to collect specimens for Dutch botanical gardens. He left in December 1771, as the ship's surgeon in the Dutch East India Comp ...

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Carl Peter Thunberg, Carl Peter Thunberg - Early Life, Carl Peter Thunberg - Japan, Carl Peter Thunberg - Return to Sweden, Carl Peter Thunberg - Selected publications

Read more here: » Carl Peter Thunberg: Encyclopedia II - Carl Peter Thunberg - Early Life

In February 1778, Thunberg left Ceylon for Amsterdam, passing by at the Cape and staying there for two weeks. He finally arrived at Amsterdam in October 1778. He returned to Sweden in 1779. But first he made a short trip to London and made the acquaintance of Sir Joseph Banks. He saw there the Japanese collection from 1680’s of the German naturalist Engelbert Kaempfer (1651-1716), who had preceded him at Dejima. He also met Forster, who introduced him to his co ...

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Carl Peter Thunberg, Carl Peter Thunberg - Early Life, Carl Peter Thunberg - Japan, Carl Peter Thunberg - Return to Sweden, Carl Peter Thunberg - Selected publications

Read more here: » Carl Peter Thunberg: Encyclopedia II - Carl Peter Thunberg - Return to Sweden

In August 1775 he arrived at the Dutch factory of the V.O.C. (Verenigde Oost-Indische Compagnie) at Dejima, a small artificial island (120 m by 75 m) in the Bay of Nagasaki, connected to the city by a landfill. He was appointed head surgeon (1775-1776) of this trading-post. But, like the Dutch, he was hardly allowed to leave the island. Nevertheless, he was one of the few to be allowed to conduct some botanical research ashore. In order to obtain more specimens, he traded his knowledge of European medicine with Japanese interpreters f ...

See also:

Carl Peter Thunberg, Carl Peter Thunberg - Early Life, Carl Peter Thunberg - Japan, Carl Peter Thunberg - Return to Sweden, Carl Peter Thunberg - Selected publications

Read more here: » Carl Peter Thunberg: Encyclopedia II - Carl Peter Thunberg - Japan