Rhizophora

Rhizophora is a genus of tropical mangrove trees, sometimes collectively called true mangroves. The most notable species is the red mangrove (Rhizophora mangle) but some other species and a few natural hybrids are known. Rhizophora species generally live in intertidal zones which are inundated daily by the ocean. They exhibit a number of adaptations to this environment, including pneutomatophores that elevate the plants above the water and allow them to respire oxygen even while their lower roots are submerged and a cytological molecular "pump" mechanism that allows them to remove excess salts from their cells. The generic name is derived from the Greek words ριζα (rhiza), meaning "root," and φορος (phoros), meaning "bearing," referring to the stilt-roots.[2]

Rhizophora
Rhizophora mangle
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Rhizophoraceae
Genus: Rhizophora
L.[1]
Species

Several, see text

Synonyms

Mangium Rumph. ex Scop.[1]

The beetle Poecilips fallax is a common pest of these trees.

The red mangrove is the state tree of Delta Amacuro in Venezuela; a dark brown dye can be produced from it, which is used in Tongan ngatu cloth production.

Species
ImageScientific nameCommon nameDistribution
Rhizophora apiculata Blumebakauan lalaki (Philippines) bakau minyakAustralia (Queensland and the Northern Territory), Guam, India, Indonesia, Malaysia, Micronesia, New Caledonia, Papua New Guinea, the Philippines, Singapore, the Solomon Islands, Sri Lanka, Taiwan, the Maldives, Thailand, Vanuatu, and Vietnam.
Rhizophora harrisonii Leechm.Brazil, Cameroon, Colombia, Costa Rica, Ecuador, Guyana, French Guyana, Honduras, Nicaragua, Panama, Suriname, Trinidad, Tobago, and Venezuela.
Rhizophora mangle L.red mangroveTropical America, West Africa, Melanesia, Polynesia[3]
Rhizophora mucronata Lam.loop-root mangrove, red mangrove or Asiatic mangroveAfrica (in southeastern Egypt; eastern Ethiopia; eastern Kenya; Madagascar; Mauritius; Mozambique; the Seychelles; Somalia; eastern side of South Africa down to Nahoon the southernmost mangrove forest in Africa; southeastern Sudan; and eastern Tanzania); Asia (in Burma; Cambodia; India; Pakistan; Iran; Indonesia; the Ryukyu Islands of Japan; Malaysia; Papua New Guinea; the Philippines; Sri Lanka; Taiwan; Thailand; and Vietnam) the South Pacific (in the Solomon Islands; and Vanuatu) and Australia (in northern Northern Territory; and northern Queensland)
Rhizophora racemosa G.Mey.Pacific coast of Central and South America, Atlantic coast of West Africa.
Rhizophora samoensis (Hochr.) SalvozaSamoan MangroveNew Caledonia - Tonga - Samoa
Rhizophora stylosa Griff.spotted mangrove, bakauan bato (Philippines)[4] Te tongo (Kiribati),[5] Đâng (Vietnam)Japan, China, Taiwan, Cambodia, Vietnam, Malesia and Australia (New South Wales and Queensland)


Hybrids
  • Rhizophora × annamalayana Kathiresan (R. apiculata × R. mucronata)
  • Rhizophora × lamarckii Montrouz. (R. apiculata × R. stylosa)[4]
  • Rhizophora × selala (Salvoza) P.B.Tomlinson (R. mangle × R. stylosa)

Formerly placed here

See also

References
  1. "Genus: Rhizophora L." Germplasm Resources Information Network. United States Department of Agriculture. 2006-05-12. Retrieved 2010-11-27.
  2. Austin, Daniel F. (2004). Florida Ethnobotany. CRC Press. p. 964. ISBN 978-0-8493-2332-4.
  3. "Rhizophora mangle". hort.purdue.edu. Retrieved 2021-01-12.
  4. "GRIN Species Records of Rhizophora". Germplasm Resources Information Network. United States Department of Agriculture. Retrieved 2010-11-27.
  5. "Kiribati Country Report to The Conference of Parties (COP) of The Convention on Biological Diversity (CBD)" (PDF). Environment and Conservation Division, Ministry of Environment, Lands and Agricultural Development. p. 5. Retrieved 28 November 2012.

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