''Combretum quadrangulare'' is a small tree of the family Combretaceae, up to 10 m high. The tree grows wildly or is planted in

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand t ...

Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist ...

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and

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. The tree is planted along the banks of rivers or

arroyos Arroyo often refers to: * Arroyo (creek), an intermittently dry creek Arroyo may also refer to: People * Arroyo (surname) Places United States ;California * Arroyo Burro Beach, a public beach park in Santa Barbara County, California * Arroyo ...

for firing. It is found throughout

especially in open, wet places. Therapeutic uses of this plant in the country are for anthelmintics (the parts used were seeds, roots and leaves) and curing

venereal disease Sexually transmitted infections (STIs), also referred to as sexually transmitted diseases (STDs) and the older term venereal diseases, are infections that are spread by sexual activity, especially vaginal intercourse, anal sex, and oral se ...

(the parts used are roots and wood). Studies of the chemical constituents of this plant have revealed that alcoholic and other extracts from the roots and seeds could kill earthworms. Extracts from seeds display antibacterial properties.

Description

Tree, 5-10m high: young branchlets acutely quad-rangular or very narrowly quadrialate. Leaves simple, opposite, elliptic or obovate, 3–8 cm wide, 6–16 cm long: petiole acutely ridged. Inflorescence in terminal and axillary spike; flower small, yellowish white. Fruit dry, thinly quadrialate: seed brownish red, ellipsoid, 4- angled.

Seed A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiospe ...

: anthelmintic for roundworm, threadworm Root: treatment of venereal diseases: anthelminithic Leaf: relieves muscular pain

Chemistry

Combretol is an O-methylated flavonol, found in ''C. quadrangulare''. The plant also contains the gallic acid derivative, 1-O-galloyl-6-O-(4-hydroxy-3,5-dimethoxy)benzoyl-beta-D-glucose.

References

{{Taxonbar, from=Q5150965 quadrangulare