Soft-leaved maclura (Maclura mollis)

Soft-leaved fustic
Silhouette: T. Michael Keesey / License

Maclura mollis: Botanical Features, Habitat, and Distribution

Characterized by its densely pubescent foliage and thorny branches, Maclura mollis occupies the dry savannas and scrublands of South America. This resilient species adapts remarkably well to seasonal droughts, losing its leaves during the dry period to conserve moisture. It plays an important role in stabilizing soils in arid environments.

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 mollis (Soft-leaved maclura)

Living Pulse

Morphology

This plant typically grows as a deciduous shrub or a small, multi-stemmed tree reaching heights of 3 to 8 meters. The branches are armed with straight, sharp spines measuring up to 2 centimeters in length. The young twigs and petioles are covered with soft, velvety hairs.

Key morphological features include:

  • Leaves: Simple, alternate, and ovate to elliptic or obovate. They measure 2 to 6 centimeters in length and are distinguished by a softly pubescent texture on both surfaces, especially along the veins.
  • Flowers: The species is dioecious, producing separate male and female inflorescences. Male flowers are arranged in small, dense spikes, whereas female flowers form compact, globose heads.
  • Fruit: The fruit is a small, globose syncarp measuring approximately 1 to 1.5 centimeters in diameter, turning yellow or light orange when ripe.

Applications

Although not as widely commercialized as its relatives, the plant has several important local uses. The hard, heavy wood is frequently harvested by local communities for making fence posts, tool handles, and general utility construction. It also serves as an excellent source of high-energy firewood and charcoal.

Other traditional uses include:

  • Natural dyes: The wood contains yellow pigments that can be extracted to dye natural fibers and textiles.
  • Living fences: The spiny branches make it an effective barrier plant when grown along property boundaries to deter livestock.

Interesting facts

The specific epithet mollis is Latin for "soft," directly referencing the velvety pubescence that covers its leaves and young stems. The sharp spines on its branches serve as an evolutionary defense mechanism against large herbivores that inhabit the South American dry forests. Birds frequently nest within its thorny canopy, utilizing the protective structure to shield their eggs and young from predators.

Geography of distribution

  • Brazil
  • Bolivia
  • Paraguay

Sources

  • POWO: Plants of the World Online (Royal Botanic Gardens, Kew)
  • WFO: World Flora Online Portal
  • GBIF: Global Biodiversity Information Facility Database

Technical Information

External Databases: GBIF, POWO, Tropicos

See also

Osage Orange

Osage Orange

Maclura pomifera

The Osage orange (Maclura pomifera) is a resilient, thorny tree famous for its heavy rot-resistant …

Silkworm thorn

Silkworm thorn

Maclura tricuspidata

A deciduous tree native to East Asia, Maclura tricuspidata is known for its sweet, melon-flavored …

African Osage Orange

African Osage Orange

Maclura africana

A woody, thorny scrambler native to southeastern Africa and Madagascar, producing small yellow-orange fruits and …