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The genus Chrysanthemum was first formally described by Linnaeus in 1753, with 14 species, and hence bears his name (L.) as the botanical authority. [11] The genus once included more species, but was split several decades ago [when?] into several genera, putting the economically important florist's chrysanthemums in the genus Dendranthema.
The first botanical description of the florists' chrysanthemum goes to Thomas d'Audibert de Ramatuelle. In 1792, in the Journal of Natural History, this botanist describes the cultivated plant, with big purpurine flowers, brought back from China by the navigator Marseillais Blancard, under the names of " Camomile with large flowers", Anthemis ...
The species was first described in 1872 by Ernst von Trautvetter as Pyrethrum lavandulifolium, with the name attributed to Friedrich von Fischer. [10] [11] [note 1] In 1909, Tomitaro Makino placed the species in Chrysanthemum when describing Chrysanthemum boreale (which he had mentioned as a variety of C. indicum in 1902).
Plants have blue-green leaves and grow to 45 to 100 cm (18 to 39 in) in height. The plant is economically important as a natural source of pyrethrin insecticides. Tanacetum coccineum C. coccineum, the Persian chrysanthemum, is a perennial plant native to Caucasus and looks somewhat like a daisy. It produces large white, pink or red flowers.
Glebionis coronaria, formerly called Chrysanthemum coronarium, is a species of flowering plant in the family Asteraceae. It is native to the Mediterranean region. [3] It is cultivated and naturalized in East Asia and in scattered locations in North America. [4] [5] Glebionis coronaria is used as a leaf vegetable.
Full bloom flowers of Chrysanthemum indicum in West Bengal, India. Chrysanthemum indicum is a plant of the temperate zone but it can be grown successfully outside the area such as in tropical areas as it is often cultivated in Southeast Asia with moist soil (pH around 6.5) in sunny weather. It can handle temperatures down to −10 °C (14 °F).
[5] [6] It is the only species in the genus Nipponanthemum, formerly considered part of Chrysanthemum. [7] [8] Nipponanthemum nipponicum is a shrub up to 100 cm (40 inches) tall. Most of the alternate leaves are clustered near the top of the stem. Flower heads are up to 8 cm (3 inches) across and are borne singly.
Tanacetum cinerariifolium is a species of flowering plant in the aster family, Asteraceae, [1] and formerly part of the genus Pyrethrum, but now placed in the genus Chrysanthemum, or the genus Tanacetum by some biologists. It is called the Dalmatian chrysanthemum or Dalmatian pyrethrum, denoting its origin in that region of Europe (Dalmatia ...