Lion's crucifixion thorn (Castela leonis)

Silhouette: T. Michael Keesey / License

Castela leonis: Profile of the Cuban Endemic Shrub

Discovered in the unique ecological zones of Cuba, Castela leonis showcases the resilient survival strategies of xerophytic flora. The species was first documented and described by the botanists Acuña and Roig in 1950. It thrives in dry, scrubby environments where few other plants can easily establish themselves.

As a member of the family Simaroubaceae, this plant is closely related to other bitter-wood species. It forms part of the rich and diverse endemic flora of the Caribbean region.

Taxonomy

  • царство Plantae
  • division Tracheophytes
  • subdivision Spermatophytes (Seed plants)
  • Angiosperms
  • mesangiosperms
  • eudicots
  • Superrosids
  • rosids
  • malvids
  • order Sapindales
  • family Simaroubaceae (Quassia family)
  • genus Castela (Crucifixion Bush)
  • species Castela leonis (Lion's crucifixion thorn)

Living Pulse

Morphology

The morphology of Castela leonis reflects its adaptation to arid and semi-arid conditions. Key botanical characteristics include:

  • Thorn-tipped Stems: Heavily branched growth habit with numerous sharp lateral thorns.
  • Coriaceous Leaves: Thick, leathery leaves with a waxy cuticle to conserve moisture.
  • Miniature Blooms: Radially symmetrical flowers with four to five petals, typically pollinated by small insects.
  • Drupes: Fleshy fruits that turn a distinct color when ripe to attract seed dispersers.

Applications

This species is primarily valued for its role in maintaining biodiversity within its native Cuban habitat. Potential applications and ecological roles include:

  • Ecological Protection: Serves as a natural barrier in dry scrublands due to its dense, thorny branches.
  • Wildlife Support: Offers food sources and shelter for native insects and small desert fauna.
  • Scientific Study: Used in evolutionary studies of Caribbean island biogeography.

Interesting facts

  • Honoring Hermano León: The specific epithet leonis likely honors Hermano León (Joseph Sylvestre Sauget), an influential French-Cuban botanist.
  • Adaptation to Drought: The plant can drop its leaves entirely during severe dry spells to conserve water, relying on its green stems for photosynthesis.
  • Cuban Heritage: Acuña and Roig, the authors of this species, were pioneering figures in Cuban agronomy and botany.

Geography of distribution

  • Cuba

Technical Information

External Databases: GBIF, POWO, Tropicos

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