Omphalocarpum elatum

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Omphalocarpum elatum
Omphalocarpum elatum01.jpg
Omphalocarpum elatum plate by John Miers in 1875
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Sapotaceae
Genus: Omphalocarpum
Species:
O. elatum
Binomial name
Omphalocarpum elatum
Omphalocarpum MHNT.BOT.2005.0.jpg
Omphalocarpum elatum03.jpg

Omphalocarpum elatum Miers ('omphalocarpum' = navel fruit, 'elatum' = lofty) is a tall, tropical African tree belonging to the family Sapotaceae, remarkable for the large fruits growing directly from the trunk, and in many ways resembling the Lecythidaceae genus Napoleonaea . [1] It is found in Equatorial Guinea, Sierra Leone, Ghana, the Central African Republic, Gabon, the Democratic Republic of the Congo, Nigeria, Liberia, Cameroon, Côte d’Ivoire and Angola in the south. [2] The fruits are favoured by elephants, the only animals able to break through the hard shell. They do this by skewering the fruit with a tusk while using their trunk to brace it against the ground. Having passed through the elephant's digestive tract, seeds germinate more readily. Although not yet endangered, the tree's life cycle is tied to that of forest elephants, and may become threatened in regions where elephant populations are under pressure. [3]

Contents

The tree is some 30 m (98 ft) tall and about 80 cm (31 in) in diameter at breast height, with a straight trunk which is fluted near its base and having no buttresses. Its bark is scaly and reddish-brown in color with lenticels in vertical rows, its slash showing as pinkish-brown with copious white latex. Leaves are alternate and simple, up to 25 x 8 cm in clusters at the ends of branchlets, oblanceolate with obtuse-rounded apex, and decurrent base. The secondary venation is parallel and the abaxial leaf surfaces are glabrous. The flowers resemble those of Mimusops , [4] the inflorescences occurring in fascicles, with 4-6 flowers per fascicle. The calyx is made up of 5 sepals, each 5–12 mm long; the corolla tube and lobes are 9–17 mm long; the stamens are 12 mm long. The ovary is 5-locular. Fruits grow from the trunk, are flattened sub-globose in shape (oblate spheroid), some 15 x 8 cm, with a hard exocarp and whitish pulp, holding numerous seeds. The species may be found flowering and fruiting throughout the year where climatic conditions are suitable. The fruit takes about one year to mature and ripen. [5] [6]

Its uses include planks, mortars and bowls, handles, seats and drums, and dugout canoes. A decoction of the bark is used to treat constipation, malaria, and as a cure for lactation failure, while a decoction of the young leaves is used to treat coughs. A mixture of the seeds and bark, soaked in palm wine, is used as a purgative, while the seeds are also used in the treatment of yaws, for jewellery such as bangles and necklaces, and in rattles. The bark of this species is an effective anthelmintic against larvae of the parasitic worm Haemonchus contortus , while the seeds contain alkaloids and saponins.[ citation needed ]

Synonyms

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References

  1. ↑ Linnean Society of London.; London, Linnean Society of (1875). Transactions of the Linnean Society of London, 2nd series: Botany. Vol. 1. London.
  2. ↑ Arquivo Cientifico Tropical
  3. ↑ Plant Resources of Tropical Africa
  4. ↑ Linnean Society of London.; London, Linnean Society of (1875). Transactions of the Linnean Society of London, 2nd series: Botany. Vol. 1. London.
  5. ↑ Fauna and Flora of Liberia
  6. ↑ Sapotaceae from the Sangha Trinational
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