Syzygium nervosum

Syzygium nervosum is a species of Syzygium tree native to tropical Asia, extending as far north as Guangdong and Guangxi in China and as far south as the Northern Territory of Australia.[1] 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
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Syzygium
Species:
S. nervosum
Binomial name
Syzygium nervosum
A.Cunn. ex DC.

Description
S. nervosum in Hong Kong

The leaves of S. nervosum are elliptical, obovate and glaborous, measuring 7–9 cm in length.

Flowers cluster as greenish white trichomatous pannicles. The blossoms have 4 petals.

The 7–12 cm 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 known as "nước vối" with stomachic properties.[2]

  • Ripe S. nervosum in Nepal
  • Fruit of S. nervosum in a forest of Panchkhal valley in Nepal
  • Bark close-up
  • Flower in May

References
  1. "Syzygium nervosum". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government.
  2. Nguyen, Duong Van. Medicinal Plants of Vietnam, Cambodia, and Laos. Santa Monica, CA: Mekong Printing, 1993.
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