Mexican Purslane
Portulaca mexicana
Portulaca mexicana is a low-growing succulent plant native to numerous states across Mexico. First described …
Matthews' Purslane (Portulaca matthewsii)
Silhouette: T. Michael Keesey
/ License
Portulaca matthewsii: Habitat and Botanical Details
Discovered in the varied landscapes of Mexico, Portulaca matthewsii grows natively within the states of Querétaro and San Luis Potosí.
Botanist Gilberto Ocampo first formally described this succulent species. It holds a recognized classification within the widely distributed genus Portulaca and the family Portulacaceae.
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 matthewsii (Matthews' Purslane)
Morphology
Following the evolutionary pattern of its close relatives, Portulaca matthewsii probably exhibits a sophisticated metabolism designed to maximize the conservation of environmental moisture. This specialized physiology is reflected externally in the development of markedly succulent tissues, evident both in its foliage and in the structure of its stems.
The vegetative architecture usually adopts a compact form, serving as an effective biological strategy that minimizes exposure to drying winds. The precise reproductive and floral characteristics are the key elements that taxonomists use to visually separate it from other sympatric species.
Interesting facts
The following aspects make this plant species particularly remarkable:
- Its natural occurrence is mainly concentrated in the Mexican states of Querétaro and San Luis Potosí.
- The taxonomic work by Gilberto Ocampo helped to better understand the systematics of North American Portulacaceae.
- It is an excellent example of the highly specialized adaptation of plants to arid habitats.
Geography of distribution
- Mexico (Querétaro, San Luis Potosí)
Sources
- Plants of the World Online (POWO)
- 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 …