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 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.
Syzygium nervosum | |
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In Hong Kong | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Myrtales |
Family: | Myrtaceae |
Genus: | Syzygium |
Species: | S. nervosum
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Binomial name | |
Syzygium nervosum |
Description
editThe 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
editThe leaves and buds of S. nervosum are harvested, dried, and brewed as an herbal tea in Vietnam known as "nước vối" with stomachic properties.[3]
Gallery
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Ripe fruit in Nepal
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Fruit in Panchkhal Valley, Nepal
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Bark close-up
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Flower in May
References
edit- ^ 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.
- ^ "Syzygium nervosum". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government.
- ^ Nguyen, Duong Van. Medicinal Plants of Vietnam, Cambodia, and Laos. Santa Monica, CA: Mekong Printing, 1993.