wild cucumber

Names and Synonyms

Common Names

• Small Wild Cucumber
• Thorn Cucumber
• Wild Gherkin

Scientific Names

Accepted name

Synonyms

• Cucumis arenarius
• Cucumis hookeri

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Cucurbitales, it is classified under the family Cucurbitaceae. Finally, its taxonomic identity is established within the genus Cucumis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a widespread presence across several key regions within the southern portion of the continent. In South Tropical Africa, its distribution includes the nations of Angola and Zimbabwe. Moving into the Southern Africa region, it can be found growing in Botswana. The species also inhabits the diverse landscapes of the Cape Provinces. Finally, its geographical range extends into the mountainous terrain of Lesotho.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Cucumis africanus is characterized by its ability to thrive across a diverse altitudinal gradient, reflecting its adaptability to varying environmental conditions. This species inhabits various landscapes within a significant vertical span, ranging from low-lying areas at an elevation of 150 m AMSL to much higher montane regions reaching up to a maximum of 2115 m AMSL. This broad elevational range suggests that the plant can tolerate a wide spectrum of temperature regimes and atmospheric pressures, allowing it to occupy a variety of ecological niches from tropical lowlands to temperate highland ecosystems.

Elevational range max:

2115 m AMSL

Elevational range min:

150 m AMSL

Life history

The life history of Cucumis africanus is characterized by a perennial lifecycle, though its growth patterns can be described as variable depending on the specific environmental conditions and local climate it inhabits. As a perennial species, the plant possesses the biological capacity to survive beyond a single growing season, often establishing a persistent presence in its native habitat. However, its life cycle may manifest as annual or biennial in certain ecological niches where seasonal extremes dictate a shorter survival period. Throughout its development, the plant progresses through distinct vegetative and reproductive phases, utilizing its perennial nature to navigate fluctuating resource availability and ensure long-term survival within its ecosystem.

Lifecycle :

perennial

Morphology

The morphology of Cucumis africanus is characterized by its growth form as a non-woody herb, exhibiting a primarily terrestrial existence rather than being aquatic or epiphytic. As a self-supporting herb, it lacks the climbing mechanisms of a liana or vine, maintaining a relatively modest stature with a mean plant height of approximately 1 meter. The plant functions as an independent organism, showing no parasitic tendencies, and its structural composition is entirely non-woody.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height mean:

1 m

Woodiness :

non-woody

Physiology

The physiology of Cucumis africanus is characterized by its metabolic processes and nutrient acquisition strategies, which are fundamental to its growth and development within its ecological niche. As a member of the Cucurbitaceae family, its physiological functions are centered around efficient photosynthetic activity and a complex vascular system designed to transport water and minerals through its climbing or sprawling stems. Regarding its nitrogen metabolism, the plant does not possess the specialized symbiotic relationship with rhizobia required to convert atmospheric nitrogen into a usable form; therefore, it is not a nitrogen fixer (trait_1: no). Instead, it relies on the uptake of nitrates and ammonium from the soil via its root system to satisfy its nutritional requirements for protein synthesis and cellular maintenance. Its physiological regulation is also heavily influenced by transpiration rates and osmotic adjustments, which allow the plant to manage water stress and maintain turgor pressure during varying environmental conditions.

Nitrogen fixer :

no

Reproduction

The reproduction of Cucumis africanus is driven by a biotic pollination syndrome, relying on living organisms to facilitate the transfer of pollen. Within this process, the plant utilizes insect-mediated pollination, with bees serving as a key specific pollinator for successful fertilization. Following successful pollination, the plant produces seeds that exhibit a relatively small mass, characterized by a mean seed mass of approximately 0.005743333 g. The individual seed sizes within a population show a degree of variability, with measured seed masses ranging from a minimum of 0.0038 g to a maximum of 0.00699 g.

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Seed mass max:

0.00699 g

Seed mass mean:

0.005743333 g

Seed mass min:

0.0038 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Cucumis africanus has 4 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Flavonoid, Polyphenol, Proanthocyanidin, SAPONIN.

Flavonoid

1. Journal of evidence-based integrative medicine

Polyphenol

1. Journal of evidence-based integrative medicine

Proanthocyanidin

1. Journal of evidence-based integrative medicine

SAPONIN

1. Journal of evidence-based integrative medicine