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Species of tree From Wikipedia, the free encyclopedia
Sterculia africana[2] or African star-chestnut[citation needed] is a deciduous tree, belonging to the genus Sterculia and the family Malvaceae (previously the Sterculiaceae, now relegated to a subfamily).[3] The species is sometimes called the "mopopaja tree". It is distributed throughout Northeast Africa to Arabia.
| Sterculia africana | |
|---|---|
| |
| S. africana taken in Namaso Bay, Southern Lake Malawi. | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malvales |
| Family: | Malvaceae |
| Genus: | Sterculia |
| Species: | S. africana |
| Binomial name | |
| Sterculia africana | |
| Synonyms | |
|
Triphaca africana Lour. | |
Sterculia africana is a deciduous tree that grows up to 8m tall, it is monoecious, with a single trunk and rounded crown. S.africana has smooth and flaking bark that is grey or pinkish brown. The leaves alternate, crowded at the ends of branches, orbicular, 8–15 cm long x 8–15 cm across. Leaves are 3-5 lobed and covered in stellate hairs. Flowers appear before the leaves 1.5–2 cm across, in axillary panicles. Flowers are unisexual with both sexes being found on the same tree. They have no petals, but the calyx is coloured and functions as a corolla. In the male flowers the numerous anthers are fused together to form a column. The fruits consist of 3-5 spreading, ovoid lobes which split at maturity and are covered with dense golden hairs. The inside surface of the lobes contain small stinging hairs.[4]
Stercula africana sheds its leaves during the dry season and comes into flower before the leaves reappear at the start of the monsoon. Small quantities of resin ooze from the bark of the trunk and larger branches.[5]
Sterculia africana has been recorded in southeastern Egypt, Eastern Sudan, Ethiopia, Djibouti, northern Somalia, southern Tanzania, Mozambique, Malawi, eastern Zambia, Zimbabwe, Botswana, and Namibia's Caprivi Strip.[6] No subspecies are listed in the Catalogue of Life.[3] Variety socotrana is endemic to the island of Socotra.[7]
Sterculia africana grows in dry woodlands on limestone escarpments and the sides of wadis[7] usually at elevations of below 600m.[8]
Resin was traditionally used as a washing agent in Arabia. The hardened resin was mixed with water or spittle and then rubbed over the body. It was also a treatment to treat head lice. It is an important fodder and the wood was used to make fishing platforms.[5]
The current population is stable however as it is an important fodder for cattle, if the livestock populations increase, the tree would come under increasing threat.[7]
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