Mexican Purslane
Portulaca mexicana
Portulaca mexicana is a low-growing succulent plant native to numerous states across Mexico. First described …
Leafy Purslane (Portulaca foliosa)
Silhouette: T. Michael Keesey
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Portulaca foliosa: Distribution and Botanical Profile
Ranging across a vast expanse of the African continent and reaching into the Arabian Peninsula, Portulaca foliosa demonstrates extraordinary geographical adaptability. John Bellenden Ker Gawler first described this widely distributed member of the Portulacaceae family. Botanists currently recognize the infraspecific taxon Portulaca foliosa subsp. lateritia, which highlights the evolutionary divergence within the species.
The natural habitat of this plant encompasses multiple distinct climatic zones, from coastal plains to inland savannas. Researchers often study its extensive distribution to understand how species migrate and adapt across diverse terrains.
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 foliosa (Leafy Purslane)
Morphology
The botanical term "foliosa" makes a direct allusion to prominent foliage, suggesting that Portulaca foliosa exhibits denser vegetative growth than related species. As a drought-adapted plant, it develops substantially fleshy stems and leaves, specialized in the prolonged retention of vital fluids. This physical structure ensures photosynthetic activity even during prolonged periods of water scarcity.
Given the vast extent of its occurrence territory, it is common to observe polymorphisms and structural variations in regional populations. The cataloging of subspecies attests that the plant exhibits morphological differences, such as variations in color and growth habit, depending on the inhabited microclimate.
Interesting facts
The natural range of Portulaca foliosa covers an impressive variety of countries and biogeographical regions. Some of the notable locations where this species thrives include:
- Numerous nations across West Africa, such as Senegal, Mali, and Nigeria.
- Extensive territories in East Africa, including Kenya, Ethiopia, and Tanzania.
- Southern Africa and the Arabian Peninsula, extending its reach into Saudi Arabia and Yemen.
Geography of distribution
- South Africa
- Kenya
- Saudi Arabia
- Yemen
- Nigeria
Sources
- Plants of the World Online (POWO)
- World Flora Online (WFO)
- Global Biodiversity Information Facility (GBIF)
See also
Red-Stemmed Purslane
Portulaca rubricaulis
An annual succulent herb characterized by distinctive reddish stems and solitary yellow flowers, found across …
Extremely Hairy Purslane
Portulaca hirsutissima
A succulent plant endemic to Brazil, characterized by its prominent hairy morphological traits and described …
Giulietti's Purslane
Portulaca giuliettiae
A rare succulent plant species in the purslane family, naturally endemic to the Bahia region …