Avicennia marina var. marina   (Forsk.) Vierh.  (Mangrove Plant)
Organism information awaits expert curation
Taxonomy
Kingdom:Plantae
Phylum:Magnoliophyta
Class: Equisetopsida
Order:Lamiales
Family:Acanthaceae

Description
Shrubs or small bushy trees, evergreen, upto 4 m high; bark smooth, yellowish-brown, lenticellate in younger parts. Leaves 3-6 x 2-2.5 cm, elliptic-oblong or elliptic-ovate, glabrous, pale green above, closely tawny-tomentose beneath, acute at apex, rounded or tapering towards base; petioles 3-5 mm long, glabrous. Flowers 2-4 mm across, sessile, pale-yellow, in condensed terminal cymes; calyx deeply lobed. hairy tomentose; corolla lobes ovate-acute; stamens included; ovary villous, style short, stigmas 2. Capsules 12-15 mm long, ovoid, apiculate, greyish-tomentose, compressed, viviparous.

Gregarious forming pure stands in the intertidal areas in the estuarine mangrove swamps.

Flowering and fruiting from April-August.

Avicennia marina var. marina can be distinguished from the other species of Avicennia in India by its elliptic-ovate leaves and apiculate fruits.

Synonym (s)

Common Name (s)
• Boro Baen (Bengali)
• Sada Baen (Bengali)
• Peara Bain (Oriya)
• Venkandan (Tamil)
• Mada (Telugu)
Economic Importance and Threats
Importance:  Commercial, Ecosystem balance
(Decomposed leaves constitute fish-food and flowers an excellent source of honey and bee-wax.
It often grows as a pioneer species towards sea-ward areas subjected to high wave action, high salinity and silt deposition and stabilizes intertidal land mass. )
Threats:  Anthropogenic
(Extensively exploited for fuel wood and fodder.)

Ecology
Habitat:  Estuarine, Coastal
Trophic Level:  Producer

Biogeography


• West Coast INDIA
• East Coast INDIA

Literature Source(s)
  • Banerjee, LK; Sastry, RK and Nayar MP (1989) Mangroves in India: Identification manual Botanical survey of India, Calcutta, India Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org

Page last updated on:2010-08-31

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