Beaked-Plum

Names and Synonyms

Common Names

• Beaked-Plum
• Muchenya
• Velvet-Fruited Zanha

Scientific Names

Accepted name

Synonyms

• Dialiopsis africana

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, Zanha africana, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is further classified under the order Sapindales and the family Sapindaceae. Finally, it is identified by the genus Zanha.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse presence across several regions of the African continent. In West-Central Tropical Africa, its distribution includes the Democratic Republic of the Congo. Moving toward East Tropical Africa, it can be found in both Kenya and Tanzania. The species also extends into South Tropical Africa, specifically within the borders of Angola. Finally, its range reaches further into the south through the country of Malawi.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Zanha africana is characterized by its specific niche within tropical or subtropical landscapes, where its distribution is governed by distinct topographical constraints. This species thrives within a specific altitudinal gradient, occupying an elevational range that reaches a maximum of 1060 m AMSL. Such a distribution suggests an adaptation to mid-altitude environments, where the interplay of temperature, moisture availability, and atmospheric pressure within this specific height range optimizes its physiological processes and reproductive success. The environmental conditions found below this 1060 m threshold likely provide the necessary soil composition and microclimate required for its sustained growth and ecological integration.

Elevational range max:

1060 m AMSL

Life history

The life history of Zanha africana is characterized by its classification as a perennial plant, allowing it to persist through multiple growing seasons rather than completing its cycle within a single year. Throughout its existence, the species exhibits a deciduous growth habit, meaning it undergoes a seasonal shedding of its foliage as part of its natural physiological cycle.

Deciduousness :

deciduous

Lifecycle :

perennial

Morphology

The morphology of Zanha africana is characterized by its growth form as a woody tree. This species exhibits a substantial stature, with a minimum height of 2 m and a maximum height reaching up to 10 m, resulting in a mean plant height of approximately 8 m. As a self-supporting organism, it does not function as a climber and maintains an independent existence, lacking any parasitic tendencies. The plant is strictly terrestrial in its habitat, functioning neither as an aquatic nor a semiaquatic species, and it does not exhibit epiphytic behavior.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

10 m

Plant height mean:

8 m

Plant height min:

2 m

Woodiness :

woody

Physiology

The physiology of Zanha africana is characterized by its metabolic processes and nutrient acquisition strategies, which play a crucial role in its adaptation to its native environment. Regarding its nitrogen economy, the plant does not function as a nitrogen fixer, meaning it lacks the specialized symbiotic relationship with diazotrophic bacteria, such as Rhizobium, required to convert atmospheric nitrogen into bioavailable forms. Consequently, its physiological nitrogen uptake is entirely dependent on the absorption of nitrates and ammonium present in the soil through its root system. This reliance necessitates efficient root architecture and high-affinity transport systems to maintain cellular nitrogen levels necessary for the synthesis of proteins, chlorophyll, and nucleic acids. Its metabolic pathways are tuned to optimize the assimilation of soil-derived nutrients to support growth, reproduction, and the synthesis of secondary metabolites.

Nitrogen fixer :

no

Reproduction

The reproduction of Zanha africana is characterized by a complex biotic pollination syndrome, relying heavily on external biological agents rather than abiotic factors. The pollination process is primarily driven by insects, with a specific and significant reliance on bees to facilitate the transfer of pollen. Furthermore, the plant exhibits a reproductive strategy where self-fertilization is absent, necessitating cross-pollination through these insect vectors to ensure genetic diversity and successful seed production.

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Zanha africana has 2 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include root, stem.

Root

1. Journal of natural products

Stem

1. Mycoses

Chemicals

Zanha africana has 5 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include Pinitol, Quebrachitol, zanhasaponin A, zanhasaponin B, zanhasaponin C.

Pinitol

1. Journal of natural products

Quebrachitol

1. Journal of natural products

zanhasaponin A

1. Journal of natural products

zanhasaponin B

1. Journal of natural products

zanhasaponin C

1. Journal of natural products

Conditions

Zanha africana has 1 reported investigations on conditions identified across 2 scientific publications and several other databases. The most consistently reported conditions include trypanosomiasis.

Trypanosomiasis

1. Phytotherapy research : PTR

Preparations

Zanha africana has 5 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include MeOH extract of the root bark, acetone extracts, methanol extracts, stem bark, water extracts.

Meoh extract of the root bark

1. Journal of natural products

Acetone extracts

1. Journal of ethnopharmacology

Methanol extracts

1. Journal of ethnopharmacology

Stem bark

1. Mycoses

Water extracts

1. Journal of ethnopharmacology