Cuban bitterwood (Picrasma cubensis)
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
- ∟ subdivision Spermatophytes (Seed plants)
- ∟ Angiosperms
- ∟ mesangiosperms
- ∟ eudicots
- ∟ Superrosids
- ∟ rosids
- ∟ malvids
- ∟ order Sapindales
- ∟ family Simaroubaceae (Quassia family)
- ∟ genus Picrasma (Bitterwood Tree)
- ∟ species Picrasma cubensis (Cuban bitterwood)
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.