Stem-fruit Ironplum

Names and Synonyms

Common Names

• Stem-fruit Ironplum

Scientific Names

Accepted name

Synonyms

• Cyclostemon natalensis

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae, it is organized under the order Malpighiales and the family Putranjivaceae. Finally, it is specifically identified by the genus Drypetes.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad presence across several key regions of the African continent. In Northeast Tropical Africa, its range extends through Somalia as well as Sudan and South Sudan. Moving into East Tropical Africa, the species can be found growing in both Kenya and Tanzania. The distribution also reaches down into South Tropical Africa, specifically within the borders of Malawi. Collectively, these locations highlight the diverse environmental niches this medicinal species inhabits.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Drypetes natalensis is characterized by its preference for low-lying, humid environments, thriving specifically within evergreen forests, riverine forests, and littoral thickets. This species is adapted to coastal and riparian zones, occupying a narrow altitudinal band that ranges from a minimum elevation of 5 m AMSL to a maximum elevation of 90 m AMSL. Its presence in these diverse habitats suggests a reliance on high moisture availability and the stable, sheltered microclimates provided by dense forest canopies and coastal vegetation structures.

Elevational range max:

90 m AMSL

Elevational range min:

5 m AMSL

Habitat :

evergreen forest, riverine forest, littoral thicket

Life history

The life history of Drypetes natalensis is characterized by a perennial lifecycle, allowing the individual to persist across multiple growing seasons within its ecosystem. In terms of its structural growth habit and ecological positioning, the species exhibits life forms classified as both phanerophyte and nanophanerophyte, indicating that its persistent buds are located on woody branches that extend well above the ground level.

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Drypetes natalensis is characterized by its growth form as a woody tree. It is a terrestrial, self-supporting plant that functions independently, lacking any parasitic or epiphytic tendencies. In terms of stature, the plant exhibits significant variation in height, ranging from a minimum of 1.5 m to a maximum of 15 m, with an average plant height of approximately 8.75 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

15 m

Plant height mean:

8.75 m

Plant height min:

1.5 m

Woodiness :

woody

Physiology

The physiology of Drypetes natalensis is characterized by a C3 photosynthetic pathway, which governs its carbon assimilation process and metabolic efficiency within its natural habitat. As a C3 plant, it utilizes the Calvin cycle to fix atmospheric carbon dioxide directly through the enzyme RuBisCO, a process typical of many woody tropical species. Furthermore, this species does not function as a nitrogen fixer, meaning it lacks the specialized symbiotic relationship with nitrogen-fixing bacteria required to convert atmospheric nitrogen into bioavailable forms, instead relying on the uptake of nitrates and ammonium from the soil to meet its nutritional requirements for growth and development.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

Reproduction in Drypetes natalensis is characterized by specific biological mechanisms governing its flowering and seed development processes. A key aspect of its reproductive biology is the mechanism of pollination and subsequent fertilization; specifically, the trait of self-fertilization is noted as being absent in this species. This absence of self-fertilization suggests that the plant relies on cross-pollination, necessitating the movement of pollen between different individuals to ensure genetic diversity and successful seed production. By avoiding self-fertilization, the species promotes outcrossing, which is a vital component of its reproductive strategy within its natural habitat.

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Drypetes natalensis has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antiplasmodial.

Antiplasmodial

1. Tanzania journal of health research