Bignonia tuberculosa Vell.
Jacaranda tuberculosa (Vell.) Steud.
Zeyheria kuntzei K.Schum.
Ripe fruit case - it holds many, small, winged seeds
Photograph by: mauroguanandi
Creative Commons Attribution 2.0
Zeyheria tuberculosa is a semideciduous shrub or a tree that can grow 15 - 23 metres tall. The straight, cylindrical bole can be 40 - 60cm in diameter with a thick layer of bark up to 5cm wide[
The plant is occasionally cultivated[
The forest in the region where this species grows has been widely devastated by encroaching agriculture, ranching and other developments[
]. This, combined with charcoal production, is causing a decline in this species. The plant is classified as 'Vulnerable' in the IUCN Red List of Threatened Species(2011)[
S. America - Brazil, Bolivia.
Rainforest, dry forest and savannah, also on mountain ridges at higher elevations[
]. It can form large homogenous stands in areas where the forest has been cleared[
|Other Uses Rating||
|Cultivation Status||Cultivated, Wild
A plant of moist to dry regions of the tropics, it sometimes grows at higher elevations where it often experiences frosts[
Grows best in a sunny position[
]. Prefers a soil of at least moderate fertility[
A fast-growing tree when young, 2 year old plants can reach a height of 3 metres[
The plant is well adapted to human-altered landscapes, often forming large homogenous stands where it is allowed to grow back. It is fast-growing and makes an excellent pioneer species for re-establishing native woodland[
The wood is light in weight, flexible, with good mechanical properties and high natural durability[
]. A useful timber for general construction, sleepers, fence posts and tool handles[
The wood is used for fuel[
Seed - it only has a short period of viability and so is best sown as soon as it is ripe in a partially shaded position in a nursery seedbed. A high germination rate can be expected, with the seed sprouting within 8 - 12 days[
]. When the seedlings are 4 - 6cm tall, pot them up into individual containers and they should be ready to plant out 2 - 3 months later[
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