Matte Simarouba (Simarouba opaca)
Simarouba opaca: Botanical Overview of the Matte-Leaved Species
Native to the tropical woodlands of South America, this woody species is characterized by its distinct matte foliage. It occurs in specific microhabitats where it contributes to the local dry forest ecosystems.
Botanists study this plant to understand the evolutionary adaptations of the genus in arid and semi-arid environments. Its unique leaf surface helps distinguish it from more common, glossy-leaved relatives.
Taxonomy
- ∟ царство Plantae
- ∟ division Tracheophytes
- ∟ subdivision Spermatophytes (Seed plants)
- ∟ Angiosperms
- ∟ mesangiosperms
- ∟ eudicots
- ∟ Superrosids
- ∟ rosids
- ∟ malvids
- ∟ order Sapindales
- ∟ family Simaroubaceae (Quassia family)
- ∟ genus Simarouba (Paradise tree)
- ∟ species Simarouba opaca (Matte Simarouba)
Morphology
This plant typically grows as a large shrub or small tree with a slender branch architecture. The bark is relatively smooth and possesses the characteristic bitter taste shared by its close relatives.
The foliage presents several key diagnostic features:
- Dull leaf surface: Unlike other species in the genus, the leaflets lack a glossy sheen, displaying a matte or opacous finish.
- Coriaceous texture: The leaflets are thick and leathery, which helps reduce water loss in dry seasons.
- Leaflet arrangement: The compound leaves are pinnate, bearing oblong-elliptic leaflets.
The inflorescence consists of small, unisexual flowers arranged in terminal panicles. The resulting fruits are small drupes that contain a single seed.
Applications
Due to its rarity, the wood is only used locally for small crafts or fuel. However, researchers are interested in the chemical profile of its tissues, which contain active quassinoids.
These chemical compounds are analyzed for their potential properties:
- Antimicrobial activity
- Antiprotozoal properties
- Natural pest resistance
Interesting facts
The specific epithet opaca refers to the non-reflective, dull surface of its leaves, which is a rare trait within the genus. This morphological adaptation is believed to play a role in light absorption and water conservation.
Geography of distribution
- Brazil
Sources
- Plants of the World Online (POWO)
- World Flora Online (WFO)
- Global Biodiversity Information Facility (GBIF)