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Sapindus

Sapindus
Sapindus marginatus.jpg
Sapindus marginatus shrubs
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Sapindales
Family: Sapindaceae
Subfamily: Sapindoideae
Genus: Sapindus
L.
Type species
Sapindus saponaria
L.
Species

See text

Synonyms

Dittelasma Hook.f.


See text

Dittelasma Hook.f.

Sapindus is a genus of about five to twelve species of shrubs and small trees in the Lychee family, Sapindaceae, native to warm temperate to tropical regions in both the Old World and New World. The genus includes both deciduous and evergreen species. Members of the genus are commonly known as soapberries or soapnuts because the fruit pulp is used to make soap. The generic name is derived from the Latin words sapo, meaning "soap", and indicus, meaning "of India".

The leaves are alternate, 15–40 cm (5.9–15.7 in) long, pinnate (except in S. oahuensis, which has simple leaves), with 14-30 leaflets, the terminal leaflet often absent. The flowers form in large panicles, each flower small, creamy white. The fruit is a small leathery-skinned drupe 1–2 cm (0.39–0.79 in) in diameter, yellow ripening blackish, containing one to three seeds.

The drupes (soapnuts) contain saponins which are a natural surfactant. They have been used for washing by ancient people in Asia as well as Native Americans.

Soapnuts have historically been used in folk remedies but, as the effectiveness of such treatments has not been subjected to scientific scrutiny, there is no confirmed health benefit of using soapnuts to treat any human disease.


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