| Alstonia venenata | |
|---|---|
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Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Apocynaceae |
| Genus: | Alstonia |
| Species: | A. venenata |
| Binomial name | |
| Alstonia venenata | |
Alstonia venenata is a plant of the family Apocynaceae. It grows as a shrub or small tree in low to mid elevation deciduous forests of India. [1] The bark of the plant and, sometimes, the fruit, are used for medicinal purposes.
Apocynaceae is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family, because some taxa were used as dog poison. Members of the family are native to the European, Asian, African, Australian, and American tropics or subtropics, with some temperate members. The former family Asclepiadaceae is considered a subfamily of Apocynaceae and contains 348 genera. A list of Apocynaceae genera may be found here.
Alstonia is a widespread genus of evergreen trees and shrubs, of the family Apocynaceae. It was named by Robert Brown in 1811, after Charles Alston (1685–1760), professor of botany at Edinburgh from 1716-1760.
Guarea is a genus of evergreen trees or shrubs in the family Meliaceae, native to tropical Africa and Central and South America. At their largest, they are large trees 20–45 m tall, with a trunk over 1 m diameter, often buttressed at the base. The leaves are pinnate, with 4–6 pairs of leaflets, the terminal leaflet present. They are dioecious, with male and female flowers on separate plants. The flowers are produced in loose inflorescences, each flower small, with 4–5 yellowish petals. The fruit is a four or five-valved capsule, containing several seeds, each surrounded by a yellow-orange fleshy aril; the seeds are dispersed by hornbills and monkeys which eat the aril.
Phacelia crenulata is a species of flowering plant in the borage family, Boraginaceae. Its common names include notch-leaf scorpion-weed, notch-leaved phacelia, cleftleaf wildheliotrope, and heliotrope phacelia. Phacelia crenulata has an antitropical distribution, a type of disjunct distribution where a species exists at comparable latitudes on opposite sides of the equator, but not at the tropics. In North America, it is native to the southwestern United States as far east as Colorado and New Mexico, and Baja California and Sonora in Mexico. In South America, it is native to southern Peru, western Bolivia, and northern Chile.
The Trobriand Islands rain forests are a tropical moist broadleaf forest ecoregion of southeastern Papua New Guinea.
Alstonia scholaris, commonly called blackboard tree or devil's tree in English, is an evergreen tropical tree in the family Apocynaceae. It is native to southern China, tropical Asia and Australasia, it is a commonly planted ornamental plant in these areas. It is a toxic plant, but traditionally it is used medicinally for myriad diseases and complaints.
Alstonia annamensis is a species of plant in the family Apocynaceae. It is endemic to Vietnam.
Alstonia beatricis is a species of plant in the family Apocynaceae. It is endemic to West Papua (Indonesia).
Alstonia henryi is a species of plant in the family Apocynaceae. It is endemic to China.
Alstonia macrophylla, the hard alstonia, hard milkwood or big-leaved macrophyllum, is a species of plant in the family Apocynaceae.
Alstonia rubiginosa is a species of plant in the family Apocynaceae. It is endemic to Papua New Guinea.
Alstonia rupestris is a species of plant in the family Apocynaceae. It is endemic to Thailand.
Guarea venenata is a species of plant in the family Meliaceae. It is found in Brazil and Colombia. It is threatened by habitat loss.
Alstonia constricta, commonly known as quinine bush or bitterbark, is an endemic Australian endemic shrub or small tree of the family Apocynaceae.
Alstonia angustiloba is a tree in the dogbane family Apocynaceae.
Alstonia iwahigensis is a tree in the dogbane family Apocynaceae.
Alschomine is an indole alkaloid first identified in the leaves of Alstonia scholaris in 1989.
Alstonia longifolia is a plant species in the genus Alstonia, family Apocynaceae. It is native to southern Mexico and Guatemala at an elevation of 1400–1800 m.
Alstonia boonei is a very large, deciduous, tropical-forest tree belonging to the family Apocynaceae. It is native to tropical West Africa, with a range extending into Ethiopia and Tanzania. Its common name in the English timber trade is cheese wood, pattern wood or stool wood while its common name in the French timber trade is emien.
Pulai is a suburban area in the city of Iskandar Puteri, Mukim Pulai, district Johor Bahru, state of Johor, Malaysia
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