Dye maclura ovate (Maclura tinctoria var. ovata)

Ovate-Leaved Fustic Tatajuba Variety
IUCN: Вызывает наименьшие опасения
Silhouette: T. Michael Keesey / License

Maclura tinctoria var. ovata: Ovate-Leaved Dyer's Mulberry Info

Displaying characteristic ovate leaves and spiny twigs, Maclura tinctoria var. ovata inhabits various tropical forests across Central and South America. This botanical variety stands out for its high-quality timber and its ecological role as a food source for forest wildlife.

Its wood contains natural compounds that protect it from fungal decay, making it exceptionally long-lasting in outdoor environments. Traditional communities have long relied on its properties for crafting dyes and tools.

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 tinctoria (Dyer's mulberry tree)
  • variety Maclura tinctoria var. ovata (Dye maclura ovate)

Living Pulse

Morphology

This woody plant typically forms a medium to large tree, reaching heights up to 20 meters, with a bark that exudes a dense, milky sap when cut. The branches are often armed with small, sharp spines, particularly in juvenile stages.

The leaves are uniquely ovate, with a rounded base and a tapering tip, showing a smooth to weakly serrated margin. They are arranged alternately along the stems, with distinct pinnate venation visible on both surfaces.

Its inflorescences are unisexual, with male flowers forming elongated spikes and female flowers clustered in compact, rounded heads. The compound fruits are small, globose, and fleshy, changing color as they mature to attract avian dispersers.

Applications

The dense heartwood of Maclura tinctoria var. ovata is highly valued for heavy-duty construction, cabinetry, and railway ties due to its strength. Historically, it was also harvested for extracting fustic dye, which yields shades of yellow and khaki.

Its latex and bark extracts find use in regional herbal remedies, particularly for treating infections and oral pain. The tree is also selected for agroforestry systems to provide shade and stabilize soil.

Interesting facts

  • The variety name "ovata" directly references the oval shape of its foliage, distinguishing it from other varieties.
  • Its wood is so dense that it sinks in water when freshly cut and requires specialized tools to work.
  • The seeds germinate readily in forest gaps, making it an important pioneer species for natural regeneration.

Geography of distribution

  • Brazil
  • Peru
  • Venezuela

Sources

  • Plants of the World Online (POWO)
  • World Flora Online (WFO)
  • Global Biodiversity Information Facility (GBIF)

Technical Information

External Databases: GBIF, POWO, Tropicos

See also

True Araucarias

True Araucarias

Araucaria sect. Araucaria

Araucaria sect. Araucaria is a botanical section of evergreen conifers native to South America. It …