Small-leaved Kaim
Mitragyna parvifolia
A deciduous tree native to South Asia, revered for its medicinal properties, fine timber, and …
Large-Stipule Mitragyna (Mitragyna stipulosa)
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Mitragyna stipulosa: Habitat, Phytochemistry, and Conservation
Deep within the subtropical and tropical moist lowland forests of Africa grows Mitragyna stipulosa, a robust tree species uniquely adapted to thrive in swampy, waterlogged environments. Its natural range extends across a vast portion of the continent, spanning from Senegal and Gambia in the west to Sudan and Uganda in the east, and reaching as far south as Angola and Zambia.
As a critical structural component of wetland ecosystems, the tree supports local biodiversity, though its wild populations are increasingly pressured by environmental changes.
Taxonomy
- ∟ царство Plantae
- ∟ division Tracheophytes (Vascular Plants)
- ∟ subdivision Spermatophytes (Seed plants)
- ∟ Angiosperms
- ∟ mesangiosperms (Core angiosperms)
- ∟ eudicots
- ∟ asterids
- ∟ order Gentianales
- ∟ family Rubiaceae
- ∟ subfamily Cinchonoideae
- ∟ tribe Naucleeae
- ∟ genus Mitragyna (Kratom)
- ∟ species Mitragyna stipulosa (Large-Stipule Mitragyna)
Morphology
Like other members of its genus, Mitragyna stipulosa develops as a substantial woody plant with anatomical adaptations suitable for surviving in saturated soils. Its tall growth form allows its canopy to emerge above lower wetland vegetation to capture available sunlight in dense tropical forests.
Applications
Phytochemical analysis of Mitragyna stipulosa leaves reveals a complex profile of naturally occurring alkaloids. The primary compounds isolated from its foliage include:
- Mitraphylline
- Rotundifoline and isorotundifoline
- Rhynchophylline and isorhynchophylline
These chemical constituents remain a subject of active pharmacological research, as related compounds within the Rubiaceae family frequently exhibit measurable bioactivity.
Interesting facts
Due to the ongoing degradation of tropical swamps, drainage projects, and the clearing of moist lowland forests across Africa, this species is officially recognized as threatened by habitat loss, raising concerns about its long-term ecological viability.
Geography of distribution
- Angola
- Cameroon
- Uganda
- Zambia
- Senegal
- Gabon
Sources
- Plants of the World Online (POWO)
- Global Biodiversity Information Facility (GBIF)
- Tropicos
Technical Information
Taxon Synonyms: Hallea ledermannii, Fleroya stipulosa, Hallea stipulosa, Fleroya ledermannii, Mitragyna ledermannii
See also
Tubular-Flowered Mitragyna
Mitragyna tubulosa
A tall tree species native to the Western Ghats of India and Sri Lanka, known …
Round-Leaved Mitragyna
Mitragyna rotundifolia
An Asian tree species recognized by its distinctively rounded foliage and robust bark.
Kratom Mitragyna
Mitragyna speciosa
Mitragyna speciosa, commonly known as kratom, is a tropical evergreen tree in the coffee family …