''Syzygium nervosum'' is a species of tree native to tropical Asia and Australia, extending as far north as

Guangdong Guangdong (, ), alternatively romanized as Canton or Kwangtung, is a coastal province in South China on the north shore of the South China Sea. The capital of the province is Guangzhou. With a population of 126.01 million (as of 2020) ...

and

Guangxi Guangxi (; ; Chinese postal romanization, alternately romanized as Kwanghsi; ; za, Gvangjsih, italics=yes), officially the Guangxi Zhuang Autonomous Region (GZAR), is an Autonomous regions of China, autonomous region of the People's Republic ...

in China and as far south as the

Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an states and territories of Australia, Australian territory in the central and central northern regions of Australia. The Northern Territory ...

of Australia. It was previously known as ''Cleistocalyx operculatus'' and also known as ''C. nervosum'' (DC.) Kosterm., and ''Eugenia operculata'' Roxb., 1832. It is a medium-sized tree of about 10 meters in height with pale brown bark and dull green leaves.

Description

The leaves of ''S. nervosum'' are elliptical, obovate and glaborous, measuring 7–9 cm in length. Flowers cluster as greenish white trichomatous

panicle A panicle is a much-branched inflorescence. (softcover ). Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit) be pedicellate (having a single stem per flower). The branches of a panicle are of ...

s. The blossoms have 4 petals. The 7–12 mm diameter fruits are ovoid with a concave tip and a wrinkled texture. The fruits turn purplish upon ripening.

Uses

The leaves and buds of ''S. nervosum'' are harvested, dried, and brewed as an herbal tea 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 ...

known as "nước vối" with stomachic properties.Nguyen, Duong Van. ''Medicinal Plants of Vietnam, Cambodia, and Laos''. Santa Monica, CA: Mekong Printing, 1993.

Gallery

Image:Camuna (1) - Copy.JPG, Ripe fruit in Nepal Image:Cleistocalyx operculatus Np_01.JPG, Fruit in

Panchkhal Panchkhal ( ne, पाँचखाल) is a Municipality in Kavrepalanchok District in the Bagmati Zone of central Nepal. Panchkhal has an area of 103 km² and Density: 386.6/km² according to 2011 census. Glacial strand retreat and flu ...

Valley, Nepal Image:Bark of Cleistocalyx operculatus.jpg, Bark close-up Image:Cleistocalyx_operculatus_Np_02.JPG, Flower in May

References

{{Taxonbar, from=Q7663992, from2=Q5131119 nervosum Trees of Australia Ornamental trees Myrtales of Australia Flora of Western Australia Flora of tropical Asia Flora of China Plants described in 1828