Bombax buonopozense
| Gold Coast Bombax | |
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| Greenhouse-grown specimen in Münster, Germany | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Malvales |
| Family: | Malvaceae |
| Genus: | Bombax |
| Species: | B. buonopozense |
| Binomial name | |
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Bombax buonopozense P.Beauv. |
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Bombax buonopozense, commonly known as the Gold Coast bombax or red-flowered silk cotton tree, is a tree in the mallow family. It is also known in the Dagbani language as Vabga (plural Vabsi).
It is native primarily in West Africa, where it is found in rainforests from Sierra Leone in the northwest, east to Uganda and south to Gabon, typically at elevations of 900 to 1200 metres. A large tree, it often reaches heights of 40 metres (130 feet) with buttress roots up to 6 metres (20 feet) in diameter. The bark of younger trees is covered with spines and large, deep pink-to-red flowers emerge while the tree is leafless.
Various parts of the plant are used for medicinal purposes, as food, as a source of clothing fibre, as a building material, and as a dye. The fruits are eaten by animals such as the water chevrotain.
Bombax buonopozense is a large tropical tree that grows to 40 metres (130 feet) in height with large buttress roots that can spread 6 metres (20 feet). The bark is covered in large, conical spines, especially when young, but shedding them with age to some degree. The branches are arranged in whorls. The leaves are compound and have 5 to 9 leaflets and 15 to 25 secondary veins. They are set on long petioles that typically measure between 22 and 14 cm. The individual leaflets have entire margins and are also quite large, measuring from 8 to 23 cm in length by 3 to 7.5 cm in width. The undersides of the leaflets may be either glabrous (i.e. hairless) or puberulous (i.e. very finely haired). The buds are conical.
The conspicuous flowers emerge while the tree is leafless and are either solitary or arranged in small axillary cymes. The truncate calyx, that is the whorl of sepals, is 1 to 1.6 cm high and is cupuliform, or cup-shaped. It is also deciduous, meaning that it does not persist on the fruit. The petals are deep pink or red in colour and are 5.5 to 9.5 cm in length by 2.5 to 3.7 cm in width. The numerous stamens are arranged in bundles with two whorls. The fruits are oblong and fairly large, being 8 to 18 cm in length by 3.5 to 6 cm in diameter. They are glabrous, either rigged or angular, and loculicidal, meaning that they open spontaneously at maturity along the capsule wall in between the sections of the locule. They contain many seeds that are 5 to 6 mm in length, all of which are have a woolly indument, that is a cotton-like fibre covering.
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Wikipedia