Tabebuia riodocensis A.H.Gentry
Handroanthus riodocensis is a deciduous tree with a narrow, elongate crown; it can grow 10 - 35 metres tall. The bole can be 40 - 60cm in diameter[
The tree is harvested from the wild for its good quality timber. With its ornamental flowering display, the plant can be used in parks and large gardens[
S. America - eastern Brazil.
A subcanopy to canopy tree in the Atlantic rainforest and coastal forest where it favours the dense primary forest, though can also be found in more open areas, usually in well-drained soils[
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Succeeds in full sun to quite deep shade[
]. Prefers a well-drained soil[
The heartwood and sapwood are clearly demarcated. The wood is fine-textured; irregular to spiral-reversed grain; heavy; very difficult to cut; with excellent mechanical properties and a high resistance to rot. It can be used as interior trim, flooring, window and door frames, railway sleepers, cross-ties, wagons, etc[
Most species of Handroanthus, almost certainly including this one, produce a very hard, heavy and durable timber known as Ipe. The general description of Ipe wood is as follows:-
The heartwood is yellowish brown to dark olive brown, sometimes with thin veins; it is clearly demarcated from the 3 - 9cm wide band of sapwood. The texture is usually fine, though it is medium in some species; the grain is interlocked; there are canals in the wood containing a greenish-yellow deposit of lapachol. The wood is very heavy; very hard; elastic; it is very durable, even in contact with the soil, resisting fungi, dry wood borers and termites. It seasons slowly, but with only a low risk of checking or distortion; once dry it is moderately stable in service. The wood has a fairly high blunting effect - stellite-tipped and tungsten carbide tools are recommended; there can be some difficulties due to the interlocked grain; filling is recommended in order to get a good finish; nailing and screwing are good , but require pre-boring; gluing is correct for internal use only, and needs to be done with care because the wood is so dense. A very durable and strong wood, it has a very wide range of uses, especially for outdoor applications. It is used for making high class furniture, cabinet work, heavy construction, railway sleepers, bridges, hydraulic works, industrial flooring, posts and poles, turnery, musical instruments, tool handles, veneer etc[
Seed - best sown as soon as it is ripe in a partially shaded position in a nursery seedbed. A high germination rate can usually be expected if fresh seed is sown, with the seed sprouting within a few days[
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