Syzygium nervosum

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Syzygium nervosum
In Hong Kong
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Syzygium
Species:
S. nervosum
Binomial name
Syzygium nervosum
Synonyms[3]
35 synonyms
  • Cleistocalyx nervosus (A.Cunn. ex DC.) Kosterm.
  • Eugenia nervosa (A.Cunn. ex DC.) Bedd.
  • Calyptranthes costata Buch.-Ham. ex Wall.
  • Calyptranthes cuneata Buch.-Ham. ex Wall.
  • Calyptranthes grandis Buch.-Ham. ex Wall.
  • Calyptranthes makul Blanco
  • Calyptranthes mangiferifolia Hance ex Walp.
  • Calyptranthes tatna Buch.-Ham. ex Wall.
  • Calyptranthes zuzygium Blanco
  • Cleistocalyx cerasoides (Roxb.) I.M.Turner
  • Cleistocalyx cerasoides var. paniala (Roxb.) I.M.Turner
  • Cleistocalyx nervosus var. paniala (Roxb.) J.Parn. & Chantaranothai
  • Cleistocalyx operculatus (Roxb.) Merr. & L.M.Perry
  • Cleistocalyx operculatus var. paniala (Roxb.) Chantar. & J.Parn.
  • Eugenia cerasoides Roxb.
  • Eugenia clausa C.B.Rob.
  • Eugenia divaricatocymosa Hayata
  • Eugenia gigantea Ridl.
  • Eugenia holtzeana F.Muell.
  • Eugenia holtzei F.Muell.
  • Eugenia operculata Roxb.
  • Eugenia operculata var. cerasoides (Roxb.) Craib
  • Eugenia operculata var. obovata Kurz
  • Eugenia operculata var. paniala (Roxb.) King
  • Eugenia paniala Roxb.
  • Eugenia suavis Ridl.
  • Syzygium cerasoides (Roxb.) Chatterjee & Kanjilal
  • Syzygium cerasoides Raizada
  • Syzygium nervosum var. obovatum (Kurz) A.Kumar
  • Syzygium nervosum var. paniala (Roxb.) Craven & Biffin
  • Syzygium nodosum Miq.
  • Syzygium operculatum (Roxb.) Nied.
  • Syzygium operculatum var. obovatum (Kurz) Gamble
  • Syzygium polyanthum Thwaites
  • Syzygium suave (Ridl.) Widodo
  • Syzygium wallichianum C.Presl

Syzygium nervosum is a species of tree native to tropical Asia and Australia, extending as far north as Guangdong and Guangxi in China and as far south as the Northern Territory of Australia.[2] It was previously known as Cleistocalyx operculatus, C. nervosum, and Eugenia operculata, and it has many other synonyms. It is a medium-sized tree of about 10 meters in height with pale brown bark and dull green leaves.

Description

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

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In Vietnam the leaves and buds of S. nervosum are harvested, dried, and brewed as an herbal tea known as "nước vối" with stomachic properties.[4]

[edit]
  • Ripe fruit in Nepal
    Ripe fruit in Nepal
  • Fruit in Panchkhal Valley, Nepal
    Fruit in Panchkhal Valley, Nepal
  • Bark close-up
    Bark close-up
  • Flower in May
    Flower in May

References

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  1. ^ Botanic Gardens Conservation International (BGCI).; IUCN SSC Global Tree Specialist Group (2018). "Syzygium nervosum". IUCN Red List of Threatened Species. 2018 e.T130887438A130907831. doi:10.2305/IUCN.UK.2018-2.RLTS.T130887438A130907831.en. Retrieved 19 November 2021.
  2. ^ a b "Syzygium nervosum". Australian Plant Name Index (APNI). Centre for Australian National Biodiversity Research, Australian Government. Retrieved 3 October 2025.
  3. ^ a b "Syzygium nervosum DC". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2025. Retrieved 3 October 2025.
  4. ^ Nguyen, Duong Van. Medicinal Plants of Vietnam, Cambodia, and Laos. Santa Monica, CA: Mekong Printing, 1993.