creeping thorn-rose

Names and Synonyms

Common Names

• creeping thorn-rose
• sa'dan
• sadan
• sand button
• saydan

Scientific Names

Accepted name

Synonyms

• Neurada procumbens var. orbicularis
• Neurada procumbens var. pentagona
• Figaraea aegyptiaca
• Neurada procumbens var. stellata

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is further classified under the subclass Magnoliidae and the order Malvales. Finally, it is a member of the family Neuradaeae and falls under the genus Neurada.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, Neurada procumbens, exhibits a specific geographical distribution across the Northern African region. It can be found growing within the territories of Algeria and Egypt. Furthermore, its presence extends to the landscapes of Libya and Morocco. The species is also documented to inhabit the country of Tunisia. Collectively, these locations highlight the plant's regional range across the North African continent.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Neurada procumbens is characterized by its adaptation to specific altitudinal gradients, primarily thriving within an elevational range that spans from a minimum of 500 m to a maximum of 1000 m AMSL. This vertical distribution suggests a preference for mid-elevation habitats where environmental conditions such as temperature and moisture levels remain within its physiological tolerance limits. Furthermore, the species exhibits distinct biological strategies for survival within its niche, as evidenced by the presence of active defense mechanisms. This ability to deploy chemical or physical defenses allows the plant to mitigate herbivory and compete effectively for resources within its specialized ecological zone.

Defense :

yes

Elevational range max:

1000 m AMSL

Elevational range min:

500 m AMSL

Life history

The life history of Neurada procumbens is characterized by its classification as an annual plant, meaning it completes its entire developmental cycle—from germination to seed production—within a single growing season. In terms of its ecological life form, the species functions as a therophyte, a strategy defined by plants that survive the unfavorable seasons as ephemeral seeds, only emerging to grow rapidly when environmental conditions are optimal. This therophytic nature is consistent across its structural classifications, as it lacks persistent above-ground woody or herbaceous stems during dormant periods, instead relying on its seed bank to ensure continuity through successive generations.

Life form :

therophyte

Lifecycle :

annual

Morphology

The morphology of Neurada procumbens is characterized by its growth form as a non-woody herb, specifically categorized as a forb or herbaceous plant. It exhibits a prostrate shoot orientation, spreading along the ground rather than growing upright. As a self-supporting plant, it does not function as a climber or a parasite, maintaining an independent biological existence. The plant is primarily terrestrial in its habitat, though it can be found in various environments. In terms of size, it is a low-growing species, with a plant height ranging from a minimum of 0.05 m to a maximum of 0.15 m.

Aquatic :

terrestrial

Climber :

self-supporting

Growth form :

herb

Parasite :

independent

Plant height max:

0.15 m

Plant height min:

0.05 m

Shoot orientation :

prostrate

Woodiness :

non-woody

Physiology

The physiology of Neurada procumbens is characterized by a C3 photosynthetic pathway, a metabolic strategy typical of many temperate and tropical herbaceous species that facilitates carbon fixation through the direct carboxylation of ribulose-1,5-bisphosphate by the enzyme RuBisCO. This carbon assimilation process is supported by a specialized leaf morphology, where the foliage exhibits a lobed leaf form, providing a specific surface area-to-volume ratio that influences gas exchange and transpiration rates. These morphological and metabolic traits work in tandem to regulate the plant's energy production and water-use efficiency within its ecological niche.

Leaf form :

lobed

Photosynthetic pathway :

C3

Reproduction

The reproduction of Neurada procumbens is characterized by a specific flowering phenology and distinct fruit morphology. The flowering period typically commences in February and concludes in April, though the timing can be variable depending on environmental conditions. During this reproductive phase, the plant produces flowers that are white in colour. Following successful pollination, the plant develops fruits that maintain a consistent length of approximately 2 cm, with both the minimum and maximum fruit length measurements recorded at this value. The dispersal of these fruits follows a zoochorous syndrome, meaning they rely on animals for seed dispersal to propagate the species.

Dispersal syndrome :

zoochorous

Flower colour :

white

Flowering time :

Feb

Flowering time :

Apr

Fruit length max:

2 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Neurada procumbens has 7 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include 3-OH benzoic acid, CAMPESTEROL, Caryophyllene, Epicatechin, STIGMASTEROL.

3-OH benzoic acid

1. Molecules (Basel, Switzerland)

CAMPESTEROL

1. Molecules (Basel, Switzerland)

Caryophyllene

1. Molecules (Basel, Switzerland)

Epicatechin

1. Molecules (Basel, Switzerland)

STIGMASTEROL

1. Molecules (Basel, Switzerland)

SYRINGIC ACID

1. Molecules (Basel, Switzerland)

naringin

1. Molecules (Basel, Switzerland)

Activities

Neurada procumbens has 2 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Anticonvulsant, Antioxidant.

Anticonvulsant

1. Pakistan journal of pharmaceutical sciences

Antioxidant

1. Molecules (Basel, Switzerland)

Medicinal Uses

Neurada procumbens has 2 reported medicinal uses identified across 0 scientific publications and several other databases. The most consistently reported uses include blood pressure, epilepsy.

Most Reported Uses

Preparations