Round-Leaved Purslane (Portulaca rotundifolia)

Silhouette: T. Michael Keesey / License

Portulaca rotundifolia: Annual Succulent from South America

Portulaca rotundifolia thrives as an annual succulent plant native to the diverse landscapes of South America. The Swedish botanist Robert Elias Fries first described this species in 1905 within the scientific publication Nova Acta Regiae Societatis Scientiarum Upsaliensis. It forms part of the well-known Portulacaceae family, characterized by its fleshy foliage and natural resilience.

Ecological surveys have mapped its natural distribution across specific South American territories. The plant is primarily found growing in regional habitats across Argentina and Bolivia, adapting to the unique environmental factors of these areas.

Taxonomy

  • ∟ царство Plantae
  • ∟ division Tracheophytes (Vascular Plants)
  • ∟ subdivision Spermatophytes (Seed plants)
  • ∟ Angiosperms
  • ∟ mesangiosperms (Core angiosperms)
  • ∟ eudicots
  • ∟ core eudicots
  • ∟ Superasterids
  • ∟ order Caryophyllales
  • ∟ подотряд / подпорядок Portulacineae
  • ∟ family Portulacaceae (Purslane family)
  • ∟ genus Portulaca (Purslane genus)
  • ∟ species Portulaca rotundifolia (Round-Leaved Purslane)

Living Pulse

Morphology

The structural development of Portulaca rotundifolia follows the characteristic pattern of annual herbaceous plants with marked succulent tendencies. The constitution of its plant tissues gives it the ability to store water reserves to survive in its habitat. Its botanical name indicates the development of leaves with a rounded morphology, a common trait in various species adapted to climatic variations.

Interesting facts

  • The record made in 1905 by the Swedish researcher Robert Elias Fries revealed the taxonomic details of this plant in major European scientific journals of the time.
  • Its distribution in Argentina spans the northwest of the country, covering the provinces of La Rioja, Salta, and San Salvador of Jujuy.
  • Due to its strict annual biological cycle, the species completely depends on seasonal windows of mild climate to germinate and quickly produce seeds.

Geography of distribution

  • Argentina
  • Bolivia

Sources

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

Technical Information

External Databases: GBIF, POWO, Tropicos

See also

Mexican Purslane

Mexican Purslane

Portulaca mexicana

Portulaca mexicana is a low-growing succulent plant native to numerous states across Mexico. First described …

Red-Stemmed Purslane

Red-Stemmed Purslane

Portulaca rubricaulis

An annual succulent herb characterized by distinctive reddish stems and solitary yellow flowers, found across …