Straight-spined hackberry (Celtis orthacanthos)

Silhouette: T. Michael Keesey / License

Celtis orthacanthos: Species Profile and Native Brazilian Range

Endemic to the diverse ecosystems of South America, Celtis orthacanthos adds unique spiny characteristics to the Cannabaceae family. The French botanist Jules Émile Planchon first documented and scientifically described this woody species in 1848. Its specific epithet, orthacanthos, translates to 'straight spine', directly referencing a prominent physical defense mechanism that sets it apart from many related plants.

This particular species establishes its roots exclusively within the dynamic flora of Brazil. Currently, taxonomic databases do not recognize any subspecies for this plant, indicating a relatively uniform morphological identity throughout its native range.

Taxonomy

  • ∟ царство Plantae
  • ∟ division Tracheophytes (Vascular Plants)
  • ∟ subdivision Spermatophytes (Seed plants)
  • ∟ Angiosperms
  • ∟ mesangiosperms
  • ∟ eudicots
  • ∟ Superrosids
  • ∟ rosids
  • ∟ order Rosales
  • ∟ family Cannabaceae (Hemp family)
  • ∟ genus Celtis (Hackberry)
  • ∟ species Celtis orthacanthos (Straight-spined hackberry)

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Morphology

Classified as a dicotyledonous plant within the Magnoliopsida class, Celtis orthacanthos builds a robust, woody architectural framework. The presence of straight, sharp spines along its branches serves as a defining vegetative trait, likely evolving as a deterrent against local herbivores.

The structural adaptations of its foliage allow the plant to endure and prosper in the tropical and subtropical environments of Brazil. Following its reproductive cycle, it bears small drupes that are characteristic of the Celtis genus.

Interesting facts

  • The specific epithet orthacanthos is derived from Greek roots, accurately describing the straight thorns that arm its branches.
  • It is a strictly endemic species to Brazil, with notable occurrences in the states of Bahia, Minas Gerais, and Rio de Janeiro.
  • The plant relies on its spiny morphology not only for defense but also as an adaptation to the competitive dynamics of its native South American habitats.

Geography of distribution

  • Brazil

Sources

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

Technical Information

External Databases: GBIF, POWO, Tropicos

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