gemsbok-bean
Tylosema esculentum · Accepted scientific name
Scientific literature: Very Sparse (21 studies) · ★☆☆☆☆
gemsbok-bean, scientifically known as Tylosema esculentum, is a resilient legume native to the arid landscapes of Southern Africa. Valued for its nutritional density and medicinal properties, this hardy plant serves as a vital resource for local communities, offering potential therapeutic benefits in traditional healing and sustainable food security.
Names and Synonyms
Common Names
- gemsbok-bean
- marama-bean
- Gemsbok Bean
- Marama Bean
Scientific Names
Accepted name
Tylosema esculentumSynonyms
- Bauhinia esculenta
- Bauhinia burkeana
- Phanera burkeana
- Bauhinia bainesii
Regional and Traditional Names
German:
- Maramabohne
- Kletterbauhinie
- Bauhinia esculenta
French:
- marama
- bauhinia
Sources: Wikidata, Catalogue of Life
Taxonomical Classification
This plant, Tylosema esculentum, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is categorized under the order Fabales and the family Fabaceae. It is specifically classified under the genus Tylosema.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Tylosema |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
This plant exhibits a widespread presence throughout various regions of the African continent. In South Tropical Africa, its distribution includes the nations of Angola and Zimbabwe. Moving into Southern Africa, it can be found across the landscape of Botswana. The species also inhabits the Cape Provinces within the southern reaches of the continent. Additionally, its range extends into the arid environments of Namibia.
| Region | Area |
|---|---|
| South Tropical Africa | Angola |
| South Tropical Africa | Zimbabwe |
| Southern Africa | Botswana |
| Southern Africa | Cape Provinces |
| Southern Africa | Namibia |
| Southern Africa | Northern Provinces |
Sources: The World Checklist of Vascular Plants (WCVP)
Botanical Identification
Ecology
The ecology of Tylosema esculentum is characterized by its specific distribution within montane and sub-montane landscapes, where it occupies a distinct vertical niche. The species is found within a defined elevational range, typically occurring at altitudes starting from a minimum of 925 m AMSL and extending up to a maximum of 1600 m AMSL. This altitudinal stratification suggests that the plant is adapted to the specific microclimates, temperature gradients, and atmospheric pressures found within these mid-to-high elevation zones, which likely dictate its growth patterns and reproductive success.
- Elevational range max:
- 1600 m AMSL
- Elevational range min:
- 925 m AMSL
Life history
The life history of Tylosema esculentum is characterized by its classification as a perennial plant, allowing it to persist through multiple growing seasons. As a perennial species, it does not complete its entire biological cycle within a single year, but rather maintains its presence in the ecosystem over a prolonged period. This lifecycle enables the plant to establish robust root systems and accumulate resources that support continuous growth and repeated reproductive efforts across successive years.
- Lifecycle :
- perennial
Morphology
The morphology of Tylosema esculentum is characterized by a versatile growth form that can manifest as either a herb or a shrub, exhibiting a variable degree of woodiness. As a terrestrial plant, it does not function as an epiphyte or an aquatic species, and it maintains an independent lifestyle rather than acting as a parasite. The plant displays a diverse range of physical dimensions and structural habits; it can grow as a self-supporting species or function as a vine. Its height is notably dynamic, ranging from a minimum of 1 meter to a mean of 1.79 meters, with some specimens reaching a maximum height of up to 9 meters.
- Aquatic :
- terrestrial
- Climber :
- vine
- Climber :
- self-supporting
- Epiphyte :
- terrestrial
- Growth form :
- herb
- Growth form :
- shrub
- Parasite :
- independent
- Plant height max:
- 9 m
- Plant height mean:
- 1 m
- Plant height min:
- 1.79 m
- Woodiness :
- variable
Physiology
The physiology of Tylosema esculentum is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency under varying environmental conditions. In terms of its nutrient acquisition capabilities, the plant is not a nitrogen fixer, meaning it lacks the symbiotic mechanisms required to convert atmospheric nitrogen into usable forms and must rely on the uptake of nitrogenous compounds directly from the soil.
- Nitrogen fixer :
- no
- Photosynthetic pathway :
- C3
Reproduction
The reproduction of Tylosema esculentum is characterized by the production of seeds that exhibit a highly consistent physical profile. Based on empirical data, the seed mass is uniform across the observed samples, with a mean seed mass of 2.2824 g. This consistency is further reflected in the extreme values recorded, as both the maximum and minimum seed mass measurements are identical at 2.2824 g. Such lack of variance in seed mass suggests a stabilized reproductive output regarding the weight of individual seeds produced by the plant.
- Seed mass mean:
- 2.2824 g
Sources: Global Inventory of Floras and Traits (GIFT)
Chemicals
Tylosema esculentum has 12 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Behenic acid, Flavonoids, Griffonilide, Phytosterols, Fatty acids.
| Chemical | Supporting sources | Consensus |
|---|---|---|
| Behenic acid | 3 supporting sources | ★★☆☆☆ |
| Flavonoids | 2 supporting sources | ★☆☆☆☆ |
| Griffonilide | 2 supporting sources | ★☆☆☆☆ |
| Phytosterols | 2 supporting sources | ★☆☆☆☆ |
| Fatty acids | 1 supporting sources | ★☆☆☆☆ |
| Phenolic acid | 1 supporting sources | ★☆☆☆☆ |
| Polyphenol | 1 supporting sources | ★☆☆☆☆ |
| STARCH | 1 supporting sources | ★☆☆☆☆ |
| Tannins | 1 supporting sources | ★☆☆☆☆ |
| linoleic acid | 1 supporting sources | ★☆☆☆☆ |
Behenic acid
- Food & function
- Recent patents on food, nutrition & agriculture
- Phytotherapy research : PTR
Flavonoids
- Food & function
- Phytotherapy research : PTR
Griffonilide
- Food & function
- Phytotherapy research : PTR
Phytosterols
- Food & function
- Phytotherapy research : PTR
Fatty acids
- Phytotherapy research : PTR
Phenolic acid
- Recent patents on food, nutrition & agriculture
Polyphenol
- Phytotherapy research : PTR
STARCH
- Phytotherapy research : PTR
Tannins
- Phytotherapy research : PTR
linoleic acid
- Recent patents on food, nutrition & agriculture
Activities
Tylosema esculentum has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Protease-Inhibitor.
| Activity | Supporting sources | Consensus |
|---|---|---|
| Protease-Inhibitor | 1 supporting sources | ★☆☆☆☆ |
Protease-Inhibitor
- Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)
Medicinal Uses
Tylosema esculentum has 2 reported medicinal uses identified across 0 scientific publications and several other databases. The most consistently reported uses include non-communicable diseases, wound healing.
Most Reported Uses
| Use | Sources | Consensus |
|---|---|---|
| non-communicable diseases | Phytotherapy research : PTR (and other 1 sources) | ★☆☆☆☆ |
| wound healing | Phytotherapy research : PTR (and other 1 sources) | ★☆☆☆☆ |