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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 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 muelleriana is a tree in the
dogbane family Apocynaceae which is
native to
southern Papua New
Guinea and
northeastern Queensland.
Alstonia muelleriana...
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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 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. The bark...
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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...
