Mexican Purslane
Portulaca mexicana
Portulaca mexicana is a low-growing succulent plant native to numerous states across Mexico. First described …
Pygmy purslane (Portulaca pygmaea)
Silhouette: T. Michael Keesey
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Portulaca pygmaea: Botanical Profile and Taxonomy
Discovered in the diverse landscapes of northern South America, Portulaca pygmaea stands out as a specialized succulent plant within the Portulacaceae family. The species was formally described by the renowned botanist Julian Alfred Steyermark during his extensive studies of neotropical flora. Its natural distribution is primarily localized to the Amazonas state in Venezuela and the Vichada department in Colombia.
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 pygmaea (Pygmy purslane)
Morphology
True to its specific epithet pygmaea, which implies a miniature or dwarf size, this species is characterized by a significantly reduced and compact growth habit. It possesses fleshy, succulent leaves specifically evolved for water retention in challenging microclimates. This miniature stature allows the plant to thrive in specific, localized niches within its native South American range.
Interesting facts
The scientific documentation of this species was completed by Julian Alfred Steyermark, one of the most prolific plant collectors of the 20th century. Its highly specialized dwarf growth form provides an excellent botanical example of evolutionary adaptation to specific Neotropical environments.
Geography of distribution
- Venezuela (Amazonas)
- Colombia (Vichada)
Sources
- Plants of the World Online (POWO)
- Tropicos
- 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 …