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gray mangrove

Scientific Name: Avicennia marina var. resinifera

Family: Verbenaceae

Category: Dicot

Growth: Tree, Shrub

Duration: Perennial

Other Names:

       

Grey Mangrove (Avicennia marina)

The Grey Mangrove, scientifically known as Avicennia marina, is a fascinating mangrove species found in various coastal regions around the world.

Considerations for Pets

  • The text mentions that the Grey Mangrove possesses leaves that excrete salt.
  • The plant can grow as a shrub or tree, up to 14 meters in tropical regions, so it has the potential to be a large plant.

Common Names

  • Grey Mangrove
  • White Mangrove

Taxonomy and Nomenclature

  • Scientific Name: Avicennia marina
  • Family: Acanthaceae (formerly mentioned)
  • Subordinate Taxa: Avicennia marina (Forssk.) Vierh. var. resinifera (G. Forst.) Bakh. and Avicennia marina (Forssk.) Vierh.

Distribution and Habitat

  • The Grey Mangrove is found in South Asia, including Bangladesh, Brunei Darussalam, China, Taiwan, Hong Kong, India, Indonesia, Japan, and Malaysia.
  • It also grows in Victoria and South Australia, although its distribution is limited there to one species.
  • They are located further inland in Florida, on more elevated sites.
  • Established mangrove forests are found along the coastal area of the Arabian Peninsula and in the Red Sea coastal region of Egypt.

Morphological Characteristics and Growth Habits

  • Grey mangroves can grow as a shrub or tree, typically reaching 3 to 10 meters in height, but can grow up to 14 meters in tropical regions.
  • They have a gnarled arrangement of multiple trunks.
  • The bark is grey and lightly fissured.
  • They have green, oval leaves.
  • They possess aerial roots that protrude from the mud.

Ecological Role

  • Grey mangroves are halophytes, meaning they are plants that thrive in saltwater environments.
  • They are often the dominant species in mangrove forests, particularly on the seaward side, as they are well-adapted to early colonization.

Interactions with Other Organisms

  • Juvenile gray snapper fish are often found inshore in tidal creeks, mangroves, and grass beds.
  • Metagenomic datasets from gray mangrove rhizospheres have been analyzed in the Red Sea to study the microbiome.

Further Information

  • Royal Botanic Gardens and Domain Trust: http://plantnet.rbgsyd.nsw.gov.au/
  • ARKive (now closed): Mentions amazing photos and facts on ARKive.