Dune Fig

Names and Synonyms

Common Names

• Dune Fig
• Eastern Sourfig

Scientific Names

Accepted name

Synonyms

• Mesembryanthemum juritzii
• Mesembryanthemum dimidiatum
• Carpobrotus juritzii

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. As a member of the subclass Magnoliidae and the order Caryophyllales, it is further categorized under the family Aizoaceae. Its specific taxonomic identity is defined by the genus Carpobrotus, of which Carpobrotus dimidiatus is a part.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide geographical distribution across several distinct regions of the African continent. In Northern Africa, its presence is specifically noted within the country of Tunisia. Moving toward the southern portions of the continent, it can be found in South Tropical Africa, particularly in Mozambique. The species also occupies significant territory within Southern Africa, spanning the Cape Provinces. Additionally, its range extends into the subtropical region of KwaZulu-Natal.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Carpobrotus dimidiatus is characterized by its adaptation to low-lying coastal and terrestrial environments, typically flourishing within a specific altitudinal niche. This species is primarily distributed across an elevational range that begins at 20 m AMSL and extends up to a maximum of 200 m AMSL. Within this range, the plant thrives in habitats often defined by sandy soils and high sunlight exposure, where its succulent nature allows it to manage moisture levels effectively. Its presence is often indicative of stable, low-elevation ecosystems where it can establish extensive mats, influencing the local soil composition and providing ground cover within its specific topographic limits.

Elevational range max:

200 m AMSL

Elevational range min:

20 m AMSL

Life history

The life history of Carpobrotus dimidiatus is characterized by a perennial lifecycle, allowing the plant to persist in its environment over many years. As a long-lived succulent, it avoids the rapid turnover of annual species, instead establishing a robust, spreading presence through a creeping growth habit. This perennial nature enables the plant to accumulate significant biomass and moisture reserves, facilitating survival through fluctuating environmental conditions. Over its lifespan, the plant undergoes seasonal cycles of vegetative expansion and reproductive flowering, utilizing its specialized fleshy leaves to sustain its metabolic processes across multiple years.

Lifecycle :

perennial

Morphology

The morphology of Carpobrotus dimidiatus is characterized by a low-growing, shrubby growth form that reaches a maximum plant height of approximately 0.2 m. It functions as a woody, self-supporting species rather than a climber, exhibiting a growth habit that is primarily terrestrial in nature. As an independent organism, it does not function as a parasite or an epiphyte, maintaining a stable, non-climbing structure within its ecosystem.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

shrub

Parasite :

independent

Plant height max:

0.2 m

Woodiness :

woody

Reproduction

The reproduction of Carpobrotus dimidiatus is characterized by specific seed morphological traits that influence its dispersal and establishment capabilities. The seeds produced by this species are notably small, with a recorded mean seed mass of 0.00043 g. Within the observed population, there is a subtle variation in seed weight, ranging from a minimum mass of 0.00033 g to a maximum mass of 0.00053 g. These quantitative metrics regarding seed mass are critical components of the plant's reproductive strategy, contributing to the overall success of its propagation in its natural habitat.

Seed mass max:

0.00053 g

Seed mass mean:

0.00043 g

Seed mass min:

0.00033 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Carpobrotus dimidiatus has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include fruit.

Fruit

1. Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

Chemicals

Carpobrotus dimidiatus has 13 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include As, CA, CD, CO, CR.

As

1. Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

CA

1. Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

CD

1. Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

CO

1. Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

CR

1. Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

CU

1. Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

FE

1. Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

MG

1. Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

MN

1. Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

NI

1. Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes