Large-leaved Gironniera (Gironniera grandifolia)

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Gironniera grandifolia - Large-Leaved Forest Tree

Inhabiting the dense understory of tropical forests, Gironniera grandifolia catches the eye with its remarkably broad, dark green leaves. This species adapts well to shaded forest environments where light penetration is limited. It forms a key component of the local vegetative cover, supporting various microhabitats.

Taxonomy

  • ∟ царство Plantae
  • ∟ division Tracheophytes
  • ∟ subdivision Spermatophytes (Seed plants)
  • ∟ Angiosperms
  • ∟ mesangiosperms
  • ∟ eudicots
  • ∟ Superrosids
  • ∟ rosids
  • ∟ order Rosales
  • ∟ family Cannabaceae (Hemp family)
  • ∟ genus Gironniera (Gironnier tree)
  • ∟ species Gironniera grandifolia (Large-leaved Gironniera)

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Morphology

This tree is easily recognized by its robust branches and unusually large leaves. The leaves can reach up to twenty-five centimeters in length, presenting a coarse texture.

Prominent morphological markers include:

  • Leaves: The large, oblong-elliptic leaf blades are highly coriaceous and possess a scabrid, rough texture on both surfaces.
  • Venation: A network of pinnate veins is deeply impressed on the upper surface and raised underneath.
  • Flowers and Fruits: It bears small, greenish, unisexual flowers in axillary clusters, which later develop into rounded drupes.

Applications

Because of its larger leaves and wood density, Gironniera grandifolia is sometimes utilized for temporary structural posts. It also has minor utility in traditional agroforestry systems.

Interesting facts

The name grandifolia highlights the plant's exceptionally large leaves, which are among the largest in the genus Gironniera.

These large, rough-textured leaves were historically used in some regions as a natural abrasive for polishing wood and cleaning utensils.

Geography of distribution

  • Philippines

Sources

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

Technical Information

External Databases: GBIF, POWO, Tropicos

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