Cuban bitterwood (Picrasma cubensis)

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Picrasma cubensis: Cuban Bitterwood Species Details

Restricted to the Caribbean island of Cuba, Picrasma cubensis represents a notable component of the region's unique biodiversity. This species thrives in specific tropical forest habitats, adapting to local soils and climatic conditions. Botanists study this plant to understand the evolution of bitterwoods in the Antilles.

Taxonomy

  • ∟ царство Plantae
  • ∟ division Tracheophytes (Vascular Plants)
  • ∟ subdivision Spermatophytes (Seed plants)
  • ∟ Angiosperms
  • ∟ mesangiosperms (Core angiosperms)
  • ∟ eudicots
  • ∟ Superrosids
  • ∟ rosids
  • ∟ malvids
  • ∟ order Sapindales
  • ∟ family Simaroubaceae (Quassia family)
  • ∟ genus Picrasma (Bitterwood Tree)
  • ∟ species Picrasma cubensis (Cuban bitterwood)

Living Pulse

Morphology

As a typical member of its genus, Picrasma cubensis grows as a deciduous shrub or small tree. The plant develops a grayish bark that emits a characteristic bitter scent when damaged. Its leaves are pinnately compound, consisting of several pairs of leaflets arranged along a central axis.

Key reproductive and anatomical traits include the following features:

  • Inflorescences: The plant produces small, branching clusters of pale yellow or greenish flowers.
  • Fruit structure: The fruits are small drupes that change color as they mature, attracting local bird species.
  • Wood properties: The light-colored wood is exceptionally bitter due to high concentrations of natural quassinoids.

Applications

The main applications of Picrasma cubensis are tied to scientific research and local ecology. Like other bitterwoods, it contains compounds with potential insecticidal properties. Researchers study these extracts to develop organic pest control solutions for agricultural purposes.

Its primary ecological functions include:

  • Habitat provision: It offers shelter and nesting sites for various canopy-dwelling insects.
  • Soil protection: The root system helps stabilize soil in mountainous forest terrains.

Interesting facts

The specific epithet cubensis highlights the geographical origin of this species. It belongs to a group of plants historically used in Caribbean folk medicine for treating fevers, thanks to their bitter compounds. However, its rare status in the wild limits any modern commercial harvesting.

Geography of distribution

  • Cuba

Sources

  • Plants of the World Online (POWO): Species page for Picrasma cubensis.
  • World Flora Online (WFO): Botanical classification within Simaroubaceae.
  • Global Biodiversity Information Facility (GBIF): Spatial distribution and specimen records in Cuba.

Technical Information

Taxon Synonyms: Aeschrion cubensis

External Databases: GBIF, POWO, Tropicos

See also

Bitterwood

Bitterwood

Picrasma excelsa

Picrasma excelsa, commonly known as bitterwood or Jamaican quassia, is a vulnerable tree native to …

India quassia

India quassia

Picrasma quassioides

A deciduous temperate tree native to East Asia, famous for its bitter bark and medicinal …