Large-leaved Seguieria vine (Seguieria macrophylla)

Silhouette: T. Michael Keesey / License

Seguieria macrophylla: Morphology and Natural Habitat

Thriving within the lush environments of northern South America and extending into Panama, Seguieria macrophylla stands as a prominent member of the neotropical flora. Formally described by the eminent botanist George Bentham in 1838, this species has been historically associated with both the Petiveriaceae and Phytolaccaceae families. Its natural distribution covers a diverse array of countries, including Colombia, Venezuela, Brazil, and the island nation of Trinidad and Tobago.

The specific epithet macrophylla directly translates to "large-leaved," highlighting one of the most distinctive visual traits of this species. It is highly adapted to the varied ecological zones of the Amazon basin and its adjacent tropical regions.

Taxonomy

  • царство Plantae
  • division Tracheophytes (Vascular Plants)
  • subdivision Spermatophytes (Seed plants)
  • Angiosperms
  • mesangiosperms (Core angiosperms)
  • eudicots
  • Superasterids
  • order Caryophyllales
  • family Petiveriaceae
  • genus Seguieria (Seguier's vine)
  • species Seguieria macrophylla (Large-leaved Seguieria vine)

Living Pulse

Morphology

As indicated by its scientific name, Seguieria macrophylla is characterized by noticeably larger leaves compared to many of its congeners. These broad, verdant leaves play a crucial role in capturing sunlight in the competitive, densely vegetated environments of South American forests. The foliage is typically alternately arranged along the woody stems.

Like other members of its genus, it produces distinctive winged fruits known as samaras. The reproductive structures consist of small, apetalous flowers that are arranged in complex inflorescences, ensuring successful pollination and subsequent seed dispersal by the wind.

Interesting facts

George Bentham's original description of the species was based on early botanical explorations of the highly biodiverse Guiana Shield. The plant has since been documented extensively across the vast Amazonian states of Brazil, including Amazonas, Pará, and Roraima.

Geography of distribution

  • Bolivia
  • Brazil
  • Colombia
  • Guyana
  • Panama
  • Peru
  • Trinidad and Tobago
  • Venezuela

Sources

  • Bentham, G. 1838. Annals of Natural History 1: 480.
  • Rohwer, J. 1982. Mitteilungen der Botanischen Staatssammlung München 18: 231–288.
  • POWO (Plants of the World Online) - Kew Science

Technical Information

Taxon Synonyms: Albertokuntzea macrophylla

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 …