Osage Orange
Maclura pomifera
The Osage orange (Maclura pomifera) is a resilient, thorny tree famous for its heavy rot-resistant …
Royal osage orange (Maclura regia)
African teak
Odum
West African iroko
Silhouette: T. Michael Keesey
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Maclura regia: Botanical Description, Habitat, and Timber Properties
Growing as a majestic canopy emergent in the tropical rainforests of West Africa, Maclura regia stands out as a highly valued timber species. Local ecosystems rely on its large structure to provide shelter and food for various forest dwellers. The tree is particularly celebrated for its resilience and ability to thrive in warm, humid climates.
Taxonomy
- ∟ царство Plantae
- ∟ division Tracheophytes (Vascular Plants)
- ∟ subdivision Spermatophytes (Seed plants)
- ∟ Angiosperms
- ∟ mesangiosperms (Core angiosperms)
- ∟ eudicots
- ∟ Superrosids
- ∟ rosids
- ∟ order Rosales
- ∟ family Moraceae
- ∟ genus Maclura (Osage orange)
- ∟ species Maclura regia (Royal osage orange)
Morphology
This species develops into a massive deciduous tree, frequently reaching heights of 30 to 40 meters. Its straight, cylindrical trunk can exceed one meter in diameter and is covered by thick, greyish-brown bark that secretes a sticky white latex when injured. The crown is typically broad and umbrella-shaped in mature individuals.
The botanical details of its structures include:
- Leaves: Simple, alternate, and ovate to elliptic in shape, measuring 7 to 17 centimeters in length. They feature a shortly acuminate apex, a rounded base, and an entire margin.
- Flowers: This tree is dioecious, meaning male and female flowers are borne on separate individuals. Male flowers form long, pendulous catkins up to 15 centimeters long, while female flowers cluster in dense, compact, globose spikes.
- Fruit: The resulting fruit is a fleshy, yellowish-green syncarp with a wrinkled surface, measuring 3 to 5 centimeters in diameter and enclosing numerous small, hard seeds.
Applications
The primary value of this tree lies in its outstanding heavy-duty timber, which is widely traded under several local names. Because the wood contains natural chemical compounds that repel pests, it is highly sought after for demanding outdoor applications. Its durability makes it ideal for ship building, heavy construction, and railway sleepers.
In addition to industrial uses, traditional applications include:
- Carving: Local artisans select the fine-grained heartwood to craft high-quality furniture, drums, and ceremonial items.
- Soil conservation: The deep root system helps stabilize riverbanks and prevent soil erosion in gallery forests.
Interesting facts
The species produces a white, milky latex that was historically investigated for its potential rubber-like qualities. Additionally, the heartwood undergoes a beautiful natural transformation, shifting from a bright golden-yellow when freshly cut to a deep, rich brown upon exposure to light. The tree also plays a significant role in West African folklore, often regarded as a sacred entity representing strength and longevity.
Geography of distribution
- Sierra Leone
- Liberia
- Ivory Coast
- Ghana
- Nigeria
- Cameroon
Sources
- POWO: Plants of the World Online (Royal Botanic Gardens, Kew)
- WFO: World Flora Online Portal
- GBIF: Global Biodiversity Information Facility Database
See also
Silkworm thorn
Maclura tricuspidata
A deciduous tree native to East Asia, Maclura tricuspidata is known for its sweet, melon-flavored …
Dyer's mulberry tree
Maclura tinctoria
A medium to large neotropical tree famed for producing fustic, a natural yellow dye historically …
African Osage Orange
Maclura africana
A woody, thorny scrambler native to southeastern Africa and Madagascar, producing small yellow-orange fruits and …