Bignonia dura Klotzsch ex R.Knuth
Gelseminum insigne (Miq.) Kuntze
Handroanthus durus (Bureau & K.Schum.) Mattos
Tabebuia dura (Bureau & K.Schum.) Sprague & Sandwith
Tabebuia fluviatilis Klotzsch
Tabebuia leucoxylon Mart.
Tabebuia longipes Baker
Tabebuia roraimae Oliv.
Tabebuia triphylla Klotzsch
Tecoma albiflora Ducke
Tecoma dura Bureau & K.Schum.
Tecoma insignis Miq.
Tecoma roraimae (Oliv.) K.Schum.
Tabebuia insignis varies in habit from a deciduous shrub or small tree when growing in savannah to a large tree up to 40 metres tall in swamp and marsh forests[
]. The bole has a moderately poor form and a heavy taper above fluted buttresses that can be 3.5 metres tall; it can be 30 - 40cm in diameter and free of branches for around 15 metres[
The tree is harvested from the wild for its timber and local use as a medicine.
S. America - Brazil, Bolivia, Peru, Venezuela, the Guyanas.
A shrub or small tree in scrub savannah and savannah forest, or a large tree in marsh and swamp forests[
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Newly planted young trees can reach a height of 2.5 metres within 2 years[
Plants can commence flowering when only 1 metre tall[
The bark is used in the treatment of malaria[
]. An infusion is used for treating skin diseases and syphilis[
A pioneer species in its native range, the seed germinating rapidly and young plants growing away quickly[
]. It could have potential for use in reforestation projects[
The heartwood is variously described as creamy, yellowish, or greyish brown or sometimes brownish, often with dark flecks showing on the surface; it is not clearly differentiated from the lighter coloured sapwood[
]. The texture is medium; the grain fairly straight; the lustre moderately high; without distinctive odour or taste; and without the yellow powder (lapachon) found in other species in the lapachon group of Tabebuia[
]. The wood is of medium weight, moderately hard, firm, strong and resilient but not very durable[
]. Logs are reported to spring badly during conversion; dry lumber saws, planes, shapes, bores, mortises, and sands easily with smooth clean edges in all operations. It finishes and polishes very smoothly with a glossy finish[
]. The wood is well suited for use in tool handles and for boat decking and boat parts, where high resistance to decay is not essential. It is used extensively for furniture, flooring, interior house trim, building construction, and general carpentry. In the areas where it grows it is also used for paddles and packing cases. On the basis of its qualities, this timber could be substituted for ash in sporting goods, agricultural implements, and possibly for decorative veneer[
Seed - best sown as soon as it is ripe. Sow the seed in a semi-shaded position, either in individual containers or in a nursery seedbed. Germination rates are usually high, with the seed sprouting within 6 - 12 days[
]. Nursery sown seedlings should be potted up into individual containers when 5 - 6cm tall. Seedlings develop quickly and are ready for planting out 4 - 5 months later[
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