Trichodesma africanum

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Trichodesma africanum var. homotrichum
• Trichodesma africanum var. abyssinicum
• Pollichia africana
• Trichodesma africanum var. heterotrichum
• Trichodesma africanum var. subcalcaratum
• Trichodesma giganteum
• Trichodesma gracile
• Trichodesma fruticosum
• Friedrichsthalia schimperi
• Borraginoides aculeata
• Borraginoides africana
• Boraginella africana
• Borago africana
• Borago verrucosa

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Boraginales, it is classified under the family Boraginaceae. Finally, it is identified by the genus Trichodesma.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily distributed throughout the northern region of the African continent. Specifically, it can be found growing within the borders of Algeria and Egypt. Its presence extends westward to include the territories of Libya and Morocco. Additionally, the species is documented to inhabit the area of Western Sahara. Together, these locations define its specific geographical range across North Africa.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Trichodesma africanum is defined by its adaptability to diverse topographical gradients, allowing it to thrive across a significant altitudinal spectrum. This species is typically found in varied landscapes where its presence is dictated by an elevational range spanning from a minimum of 70 m AMSL to a maximum of 1300 m AMSL. This broad vertical distribution suggests that the plant is capable of colonizing both lowland tropical environments and mid-elevation montane regions, effectively utilizing different microclimates and soil compositions within these limits. Its ability to persist across such a wide range of elevations indicates a robust physiological tolerance to the varying temperature regimes and moisture availability characteristic of these different altitude levels.

Elevational range max:

1300 m AMSL

Elevational range min:

70 m AMSL

Life history

The life history of Trichodesma africanum is characterized by an annual lifecycle, meaning the plant completes its entire developmental process—from germination to seed production—within a single growing season. Functionally, it is classified as a therophyte, a life form where the plant survives unfavorable periods as a seed, only emerging as a vegetative structure when environmental conditions become favorable. This strategy allows it to thrive in ephemeral or seasonal habitats where it can rapidly exploit available resources to facilitate reproduction before the onset of drought or senescence.

Life form :

therophyte

Lifecycle :

annual

Morphology

The morphology of Trichodesma africanum is characterized by its growth form as a non-woody herb. It functions as a self-supporting plant, meaning it does not exhibit climbing behaviors such as a vine or liana. As a terrestrial species, it is not aquatic or epiphytic, and it grows independently rather than as a parasite. In terms of stature, the plant typically reaches a height of approximately 0.6 meters on average, with individual specimens ranging from a minimum height of about 0.61 meters to a maximum height of 1 meter.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

1 m

Plant height mean:

0.6 m

Plant height min:

0.609607413 m

Woodiness :

non-woody

Physiology

The physiology of Trichodesma africanum is characterized by its specialized metabolic processes adapted to its ecological niche, particularly regarding its nutrient acquisition and growth patterns. One of the primary physiological aspects of this species is its nitrogen metabolism; specifically, it is not a nitrogen fixer, meaning it lacks the symbiotic relationship with diazotrophic bacteria required to convert atmospheric nitrogen into usable forms. Consequently, the plant relies on the uptake of dissolved nitrates and ammonium from the soil through its root system to satisfy its nitrogen requirements for protein synthesis and enzymatic functions. Its metabolic activity is closely tied to its photosynthetic efficiency and its ability to manage water stress, which influences its overall carbon assimilation and biomass production. The plant's physiological resilience is further defined by its ability to regulate osmotic pressure and maintain cellular homeostasis in response to varying environmental conditions.

Nitrogen fixer :

no

Reproduction

The reproduction of Trichodesma africanum is characterized by a diverse dispersal strategy and specific seed morphology. The plant utilizes an unspecialized dispersal syndrome, employing multiple mechanisms including anemochory (wind dispersal), zoochory (animal dispersal), autochory (self-dispersal), and hydrochory (water dispersal) to propagate its offspring. The seeds produced are relatively small and lightweight, with a recorded mean seed mass of 0.00433 g. Individual seed weights fluctuate within a narrow range, reaching a maximum mass of 0.0057 g and a minimum mass of 0.00329 g, ensuring a high volume of potential propagules for colonization across various environmental vectors.

Dispersal syndrome :

unspecialized

Seed mass max:

0.0057 g

Seed mass mean:

0.00433 g

Seed mass min:

0.00329 g

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Trichodesma africanum has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antimalarial.

Antimalarial

1. BMC complementary medicine and therapies

Conditions

Trichodesma africanum has 3 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include Plasmodium falciparum, Toxoplasma gondii, malaria.

Plasmodium falciparum

1. BMC complementary medicine and therapies

Toxoplasma gondii

1. The Journal of veterinary medical science

Malaria

1. BMC complementary medicine and therapies

Preparations

Trichodesma africanum has 2 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include crude extract, methanolic extracts.

Crude extract

1. BMC complementary medicine and therapies

Methanolic extracts

1. The Journal of veterinary medical science