Bruguiera sexangula

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Upriver orange mangrove
Bruguiera sexangula.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Rhizophoraceae
Genus: Bruguiera
Species:
B. sexangula
Binomial name
Bruguiera sexangula
(Lour.) Poir.
Synonyms
  • Bruguiera eriopetala

Bruguiera sexangula, commonly called the upriver orange mangrove, is a mangrove shrub or tree usually growing up to 15 m, occasionally 30 m, in height.

Description[]

Bruguiera sexangula may grow as a single-stemmed tree or multi-stemmed shrub. It has short buttresses at the base of the trunk, and knee-like air-breathing roots, or pneumatophores. The bark is a smooth grey-brown colour. The smooth, glossy green leaves are simple and opposite, elliptic to elliptic-oblong, 9.5–20 cm long, 3–7 cm wide, with a pointed apex and a 6 cm petiole, occurring in clusters at the end of the branches.[1]

The flowers have a pale yellow-green to pinkish-orange calyx with 12–14 lobes, 20–24 stamens and 10–12 creamy-orange, bi-lobed petals. The green, cigar-shaped viviparous propagule grows from within the calyx and is 5–12 cm long and 1–2 cm wide.[1]

Distribution and habitat[]

This mangrove is distributed eastwards along the tropical coasts of Southeast Asia from India to northern Australia and New Caledonia. It is found on various substrates usually in the upper reaches of river-mouth estuaries with high rainfall and significant freshwater inflow.[1]

Ecology[]

The large flowers of the mangrove are bird-pollinated. The petals are under tension and hold loose pollen; when the flower is probed, the pollen is released explosively over the head of the visiting bird.[2]

Uses[]

The mangrove has various traditional uses in Asia. The developing embryos and the fruits are cooked and eaten after soaking. Juice from the fruits is used to treat sore eyes, shingles and burns. The timber is heavy, hard and strong and is used as poles as well as for firewood and charcoal.[2]

References[]

Notes[]

  1. ^ a b c Mangrove Web.
  2. ^ a b Wild Fact Sheet.

Sources[]

  • "Bruguiera sexangula". Mangrove Web. TRIN Wiki. Archived from the original on 2012-11-27. Retrieved 2010-11-14.
  • "Tumu berau Bruguiera sexangula". Wild Fact Sheet. Wild Singapore. 2008. Retrieved 2010-11-14.


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