Clompanus excelsa (Mart.) Kuntze
Sterculia goyazensis Glaz.
Sterculia pilosa Ducke
Sterculia speciosa K.Schum.
Sterculia excelsa is a semideciduous tree with a small, dense crown; it can grow 25 - 35 metres tall. The straight, cylindrical bole can be 40 - 60cm in diameter[
The tree is harvested from the wild for local use as a food and source of wood and fibre.
S. America - northern Brazil, the Guyanas, Venezuela.
Tablelands in upland rainforests and in moist, Atlantic coastal forests[
]. Rainforests, especially marshy, riverine, creek and ridge forests[
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Succeeds in a sunny position or in moderate shade[
A fast-growing tree[
]. Newly planted young trees usually grow away quickly[
Seed - cooked[
The inner bark is rasped and boiled, or soaked in cold water, then rubbed on the abdomen to hasten childbirth. If rubbed on the abdomen prior to the ninth month, however, the female will abort the foetus[
Ashes of the bark are added to psychotomimetic snuff made from Nicotiana tabacum[
The bark is fibrous[
]. It is used for tying purposes and as head bands or straps for carrying objects[
The boiled bark adds a desirable greasiness to body paint made with annatto (Bixa orellana)[
The wood is light, straight-grained and coarse-textured[
]. It is a low resistance to wood eating organisms[
]. It is used for light construction, box making, toys, coffins and pulp[
Seed - it has a short viability and needs to be sown as soon as possible once it is ripe. Sow in individual containers in partial shade. Germination rates are usually low, with the seed sprouting within 30 - 40 days[
A physical dormancy caused by the hard seed coat of the mature seeds of many species in this genus can be overcome by scarifying the seed. This is carried out by cutting away or abrading some of the seed coat to allow the ingress of water, though great care must be taken not to damage the embryo[
]. The aril surrounding the seed should also be removed - this is easiest when it has been softened through soaking in water[
]. The seeds germinate optimally at temperatures between 20 - 30°c. They can be sown in a nursery seedbed or in containers. A germination rate of about 95%, occurring within about 2 weeks can be expected if the seed has been properly treated[
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