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Below are from
the southern-western part of Madagascar




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This small tree is a member of the Anacardiaceae family, first described
by Joseph Marie Henry Alfred Perrier de la Bāthie in 1944. It is found in the south-west of
Madagascar, growing in well-drained soil with some water and lots of
sun, but it can get too much. The stem will grow to one meter in
diameter and reach for 9 meters. The flowers are dark red to brown and
it's possible reproduce the plant by cuttings. I found mine in The Copenhagen Botanical
Garden (“s shop, that is!) in 2003.
O.
decaryi is a thick stemmed
tree with more or less straight pubescent branches and usually red flowers.
O. pachypus Eggli 1995 is
a dwarf pachycaul (one meter high, 50 centimetres in diameter), with strongly zig-zagged smooth branches and
yellowish-green flowers.
A. Randrianasolo & P. P.
Lowry, 2006: "Several additional features separate O. decaryi
from other members of the genus whose leaves have a winged rachis,
including leaflets that are totally glabrous below, and branches
that are straight (rather than zig-zag in orientation, as in O.
pachypus)".
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