Alstonia — 14 species
Botanical species in the genus Alstonia recorded in the PlantPeers database.
Alstonia angustiloba
Alstonia angustiloba
Family: Apocynaceae
Cultivation
Grows best in a sunny position. Found in the wild on a wide variety of soils. A fast-growing plant.
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Alstonia boonei
Alstonia boonei
Family: Apocynaceae
Cultivation
A plant of the moist tropics, where it can be found at elevations up to 1,200 metres. It is found in areas where the mean annual rainfall is within the range 1,500 - 2,000mm. Mature trees require a sunny position, but younger trees are more shade tolerant.
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Alstonia macrophylla
Alstonia macrophylla
Family: Apocynaceae
Cultivation
Often cultivated, the tree has escaped from cultivation and become naturalized in several areas, including Sri Lanka. It is recorded as invasive in several places, including Hawaii and the Seychelles.
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Alstonia muelleriana
Alstonia muelleriana
Family: Apocynaceae
Cultivation
A resilient species, it can cope with fires when young by producing coppice shoots from the base and root suckers.
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Alstonia scholaris
Alstonia scholaris
Family: Apocynaceae
Cultivation
Succeeding in reasonably moist lowland tropical and subtropical areas, it is found at elevations from sea level to around 900 metres. It grows best in areas that have a mean annual temperature in the range 12 - 32°c, and a mean annual rainfall of 1,200 - 1,400 mm. It grows most commonly in monsoonal areas where the mean annual rainfall can range between 1,000 - 3,800mm.
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