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G459 Pterocarpus officinalis Caribbean Flooded Forest Group

Type Concept Sentence: These are Caribbean broadleaf evergreen- and palm-dominated floodplain forests which occur in the wide valleys of lowland rivers, or on rich, black alluvial soils, most commonly in the Greater Antilles.


Common (Translated Scientific) Name: Terocarpo Caribbean Flooded Forest Group

Colloquial Name: Caribbean Flooded Forest

Hierarchy Level:  Group

Type Concept: This Caribbean group occurs in basins and plains along the coast, in the wide valleys of lowland rivers, or on rich, black alluvial soils. It can also occur right behind the mangrove communities in coastal areas with high rainfall and/or abundant riverflow. Depending on the duration of the flooding period, forests can have one or more tree layers; broadleaf evergreen trees and palms are typical. The canopy can be 10-15 m, 15-18 m, or 20-25 m high. The following list of species is diagnostic: Acoelorraphe wrightii, Bucida buceras, Calophyllum antillanum, Cladium mariscus ssp. jamaicense, Ficus spp., Melicoccus bijugatus, Myrsine cubana, Nephrolepis biserrata, Prestoea acuminata var. montana, Pterocarpus officinalis, Roystonea borinquena, Roystonea regia, Sabal parviflora, Sabal yapa, Sideroxylon portoricense, Swietenia mahagoni, Symphonia globulifera, Tabebuia angustata, and Tabernaemontana amblyocarpa.

Diagnostic Characteristics: Caribbean alluvial swamp forests with broadleaf evergreen trees and palms. Pterocarpus officinalis is most often a dominant tree.

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: No Data Available

Similar NVC Types: No Data Available
note: No Data Available

Physiognomy and Structure: Forests with broadleaf evergreen trees and palms. These can be up to 25 m tall.

Floristics: Broadleaf evergreen trees and palms are typical. The following list of species is diagnostic: Acoelorraphe wrightii, Bucida buceras, Calophyllum antillanum (= Calophyllum brasiliense), Cladium mariscus ssp. jamaicense (= Cladium jamaicense), Ficus spp., Melicoccus bijugatus, Myrsine cubana, Nephrolepis biserrata, Prestoea acuminata var. montana (= Prestoea montana), Pterocarpus officinalis, Roystonea borinquena, Roystonea regia, Sabal parviflora, Sabal yapa, Sideroxylon portoricense (= Bucida subinermis), Swietenia mahagoni, Symphonia globulifera, Tabebuia angustata, and Tabernaemontana amblyocarpa.

Dynamics:  In the Caribbean, hurricanes constitute a trigger of periodic disturbance that provides long-term opportunities for species invasions and long-term ecosystem response in floodplain forests. A study about the effects of a hurricane in a Puerto Rican floodplain palm forest (Frangi and Lugo 1998), showed that the dominant species became more dominant and created low instantaneous tree mortality (1% of stems) and reductions in tree biomass (-16 Mg/ha/yr) and density, although not in basal area. Five years after the hurricane, the palm floodplain forest had exceeded its pre-hurricane above-ground tree biomass, tree density, and basal area. Delayed tree mortality was twice as high as instantaneous tree mortality after the storm and affected dicotyledonous trees more than it did palms. Regeneration of dicotyledonous trees, palms, and tree ferns was influenced by a combination of factors including hydroperiod, light, and available space (Frangi and Lugo 1998).

Environmental Description:  Pterocarpus officinalis is indicative of this group. It occurs in floodplains in low-elevation areas, but also up to 450 m elevation in the Luquillo forest of Puerto Rico (Wadsworth and Little 1964).

Climate: Climates vary from very humid to seasonal. Soil/substrate/hydrology: This group occurs in basins and plains along the coast, in the wide valleys of lowland rivers, or on rich, black alluvial soils. It can also occur right behind the mangrove communities in coastal areas with high rainfall and/or abundant riverflow. Areas of karst may have few rivers, and the floodplain forests are only where groundwater emerges, such as in low areas near the coast in northeastern Puerto Rico.

Geographic Range: This Caribbean group occurs in Cuba, Dominican Republic, Puerto Rico and Trinidad and Tobago.

Nations: CU,DO,PR,TT

States/Provinces:  No Data Available



Confidence Level: Low - Poorly Documented

Confidence Level Comments: No Data Available

Grank: GNR

Greasons: No Data Available


Concept Lineage: No Data Available

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available

Synonomy: = Pterocarpus Swamp -- 39.1 (Dansereau 1966)
= Puerto Rico land cover type 45, Freshwater Pterocarpus swamp (Gould et al. 2008) [Flooded freshwater swamps on the coastal plain and along riparian areas.]
< Seasonal-Swamp Forest (Beard 1955)
= Seasonally flooded rainforest formation (Areces-Mallea et al. 1999)
< Swamp Forest (Beard 1955)

Concept Author(s): C. Josse and C. Nordman, in Faber-Langendoen et al. (2016)

Author of Description: C. Josse and C. Nordman

Acknowledgements: No Data Available

Version Date: 07-18-16

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  • Beard, J. S. 1955. The classification of tropical American vegetation types. Ecology 36:89-100.
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