| Mitragyna | |
|---|---|
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| Mitragyna parvifolia | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Subfamily: | Cinchonoideae |
| Tribe: | Naucleeae |
| Genus: | Mitragyna Korth. [1] |
| Synonyms | |
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Mitragyna is a genus of trees in the family Rubiaceae found in the tropical and subtropical regions of Asia and Africa. Members of this genus contain antimalarial and analgesic indole alkaloids. [2]
As of January 2023 [update] , Plants of the World Online accepted the following species: [1]
Uncaria is a genus of flowering plants in the family Rubiaceae. It has about 40 species. Their distribution is pantropical, with most species native to tropical Asia, three from Africa and the Mediterranean and two from the neotropics. They are known colloquially as gambier, cat's claw or uña de gato. The latter two names are shared with several other plants. The type species for the genus is Uncaria guianensis.
Ceiba is a genus of trees in the family Malvaceae, native to tropical and subtropical areas of the Americas and tropical West Africa. Some species can grow to 70 m (230 ft) tall or more, with a straight, largely branchless trunk that culminates in a huge, spreading canopy, and buttress roots that can be taller than a grown person. The best-known, and most widely cultivated, species is Kapok, Ceiba pentandra, one of several trees known as kapok. Ceiba is a word from the Taíno language meaning "boat" because Taínos use the wood to build their dugout canoes.
Curcuma is a genus of plants in the family Zingiberaceae that contains such species as turmeric and Siam tulip. They are native to Southeast Asia, southern China, the Indian Subcontinent, New Guinea and northern Australia. Some species are reportedly naturalized in other warm parts of the world such as tropical Africa, Central America, Florida, and various islands of the Pacific, Indian and Atlantic Oceans. Generally, most curcuma grows well in loose and sandy soil in shaded areas.
Gardenia is a genus of flowering plants in the coffee family, Rubiaceae, native to the tropical and subtropical regions of Africa, Asia, Madagascar, Pacific Islands, and Australia.
Mitragyna speciosa is a tropical evergreen tree in the coffee family native to Southeast Asia. It is indigenous to Cambodia, Thailand, Indonesia, Malaysia, Myanmar, and Papua New Guinea, where it has been used in herbal medicine since at least the 19th century. It has also historically been consumed via chewing, smoking, and as a tea. Kratom has opioid-like properties and some stimulant-like effects.
Sterculia is a genus of flowering plants in the mallow family, Malvaceae: subfamily Sterculioideae. Members of the genus are colloquially known as tropical chestnuts. Sterculia may be monoecious or dioecious, and its flowers unisexual or bisexual.
Pieter Willem Korthals was a Dutch botanist. Korthals was the official botanist with the Dutch East India Service from 1831 to 1836. Among his many discoveries was the medicinal plant Kratom . Korthals wrote the first monograph on the tropical pitcher plants, "Over het geslacht Nepenthes", published in 1839.
Leea is a genus of plants in the family Vitaceae, subfamily Leeoideae, that are native to parts of central Africa, tropical Asia, Australia and Melanesia. It was previously placed in its own family, Leeaceae, based on morphological differences between it and other Vitaceae genera. These differences include ovule number per locule, carpel number, and the absence or presence of a staminoidal tube and floral disc. Pollen structure has also been examined for taxonomic demarcation, though studies have concluded that the pollen of Leeaceae and Vitaceae suggests the families should remain separate while other studies conclude that Leea should be included in Vitaceae.
Microcos is a genus of flowering plants in the family Malvaceae sensu lato or Tiliaceae or Sparrmanniaceae.
Canthium is a genus of flowering plants in the family Rubiaceae. They are shrubs and small trees. The leaves are deciduous and the stems are usually thorny.
Prismatomeris is a genus of plant in the family Rubiaceae. It includes 17 species native to the Indian subcontinent, Indochina, southern China, and western Malesia.
Saprosma is a genus of flowering plants in the family Rubiaceae. There are about 40 species distributed from south China to tropical Asia.
Willughbeia is a genus of plant in the family Apocynaceae, first described as a genus in 1820. It is native to Southeast Asia with a few species in the Indian Subcontinent. Several species have edible fruits enjoyed in many countries. Many species are vines with sticky latex.
Helicteres is a genus of flowering plants in the family Malvaceae. Its range is from tropical and sub-tropical Asia through to northern Australia, and also Mexico through to the northern half of South America.
Neonauclea is a genus of flowering plants in the family Rubiaceae. It comprises about 71 species. Neonauclea is a genus of shrubs and trees They are indigenous to China, India, Southeast Asia, Wallacea, New Guinea and Australia.
Ferdinandusa is a genus of flowering plants in the family Rubiaceae, native to the American tropics.
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