Mexican Purslane
Portulaca mexicana
Portulaca mexicana is a low-growing succulent plant native to numerous states across Mexico. First described …
Variable Purslane (Portulaca commutata)
Silhouette: T. Michael Keesey
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Portulaca commutata: Habitat and Botanical Taxonomy
Native to the landscapes of East Africa, Portulaca commutata expands the documented variety of the Portulacaceae family. Botanist Michael George Gilbert authored the original scientific description of this species. Populations of this plant are distributed across Ethiopia, Somalia, Kenya, and Tanzania, indicating an adaptation to the regional ecological conditions.
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 commutata (Variable Purslane)
Morphology
The vegetative organs of the plant have a pronounced succulent structure, allowing them to accumulate fluid reserves. The fleshy leaves and stems are covered with a dense epidermis, which serves as a reliable barrier against excessive water evaporation under equatorial climate conditions.
The root system is adapted for rapid absorption of moisture from the upper soil layers during infrequent rains. Flowering is closely linked to periods of precipitation, when the plant rapidly opens its buds for pollination by insects.
Interesting facts
The specific Latin epithet commutata can be translated as "changed" or "exchanged". In botanical practice, this designation is often chosen when a newly described species was previously confused with another morphologically similar plant, or when it exhibits surprisingly high phenotypic variability.
Geography of distribution
- Ethiopia
- Somalia
- Kenya
- Tanzania
Sources
- Plants of the World Online (POWO)
- Global Biodiversity Information Facility (GBIF)
- World Flora Online (WFO)
See also
Red-Stemmed Purslane
Portulaca rubricaulis
An annual succulent herb characterized by distinctive reddish stems and solitary yellow flowers, found across …
Round-Leaved Purslane
Portulaca rotundifolia
An annual succulent plant species of the Portulacaceae family, native to South America.
Hairy Hawaiian Purslane
Portulaca villosa
Portulaca villosa, commonly known as hairy purslane or 'ihi, is a rare, prostrate succulent endemic …