Decaisne may refer to:
Henri Decaisne was a Belgian historical and portrait painter.
Joseph Decaisne was a French botanist and agronomist.
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Leptopus, the maidenbushes, are a group of plants in the flowering plant family Phyllanthaceae first described as a genus in 1836. As presently constituted, is native to southern Asia from the Caucasus east to China and Maluku.
Lecocarpus is a plant genus in the sunflower family, native to Galápagos Islands, part of Ecuador.
Vancouveria is a small group of plants belonging to the barberry family described as a genus in 1834. The three plants in this genus are known generally as inside-out flowers, and they are endemic to the West Coast of the United States. The genus was named after George Vancouver, English navigator and explorer.
The Corallinaceae are one of the two extant Coralline families of red algae; they are differentiated from the morphologically similar Sporolithaceae by their formation of grouped sporangial chambers, clustered into sori. The Corallinoideae is monophyletic; the other subfamilies form another monophyletic group.
Docynia is a genus of flowering trees, evergreen or semi-evergreen, in the family Rosaceae. The fruit is a pome.
Guerrard Samuel Perrottet was a Swiss-born, botanist and horticulturalist who was a native of Praz, in the commune of Vully-le-Bas, today Bas-Vully, canton Fribourg Switzerland.
Lopholepis is a genus of South Asian plants in the grass family. The only known species is Lopholepis ornithocephala, native to Sri Lanka and to India.
Allardia is a genus of flowering plants in the daisy family described as a genus in 1841.
Jean-Emmanuel-Marie Le Maout was a French naturalist.
The Société botanique de France (SBF) is a French learned society founded on 24 May 1854. At its inaugural meeting it stated its purpose as "to contribute to the progress of botany and related sciences and to facilitate, by all means at its disposal, the education and the work of its members".
Pierre Étienne Simon Duchartre was a French botanist.
Scadoxus cinnabarinus is a herbaceous plant from tropical rainforest in Africa. It is native to Western and Central Africa from Sierra Leone in the far west to Angola in the south. It has been reported from Ghana, Côte d'Ivoire, Nigeria, Niger, Sierra Leone, Central African Republic, Cameroon, Congo, Equatorial Guinea, Gabon, São Tomé, Zaire, Uganda, and Angola.
Melanthera biflora, also known as sea daisy, beach daisy and sea ox-eye,, is a species of flowering plant in the aster family. It is a scandent, rough-looking and fast-growing plant with a wide distribution.
Dischidanthus is a genus of plants in the Apocynaceae, first described as a genus in 1936. It contains only one known species, Dischidanthus urceolatus, native to Vietnam and southern China.
Nautonia is a species of plants in the Apocynaceae first described as a genus in 1844. It contains only one known species, Nautonia nummularia , native to Brazil.
Peplonia is a species of plants in the Apocynaceae first described as a genus in 1844. The entire genus is endemic to Brazil.
Cheilosporum is a genus of red algae in the family Corallinaceae.
Frances Harriet Hooker was an English botanist.