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Alstonia scholaris,
commonly called blackboard tree,
scholar tree,
milkwood or devil's tree in English, is an
evergreen tropical tree in the
dogbane family...
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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)...
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Alstonia spatulata, also
called hard
milkwood or
Siamese balsa, is a
species of tree in the
family Apocynaceae. It is
found in Cambodia, Indonesia, Laos...
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Alstonia iwahigensis is a tree in the
dogbane family Apocynaceae.
Alstonia iwahigensis grows as a
medium to large-sized tree up to 45
metres (150 ft) tall...
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Alstonia constricta,
commonly known as
quinine bush or bitterbark, is an
Australian endemic shrub or
small tree of the
family Apocynaceae.
Alstonia constricta...
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Alstonia angustifolia is a
species of
plant in the
family Apocynaceae. It is
found in Indonesia, Malaysia, the Philippines, and Vietnam. It can be used...
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Alstonia macrophylla, the hard
alstonia, hard
milkwood or big-leaved macrophyllum, is a
species of
plant in the
family Apocynaceae. It is
native to Indonesia...
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Alstonia rubiginosa is a
species of
plant in the
family Apocynaceae. It is
endemic to
Papua New Guinea. Mandawali, J. (2021). "
Alstonia rubiginosa". IUCN...
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Alstonia sebusii,
synonym Alstonia henryi, is a
species of
flowering plant in the
family Apocynaceae,
native to the
region of ****am, south-central China...
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Alstonia angustiloba is a tree in the
dogbane family Apocynaceae.
Alstonia angustiloba grows as a
large tree up to 40
metres (130 ft) tall, with a trunk...
