Ficus asperifolia

Ficus asperifolia

Ficus asperifolia

Common Names: Sandpaper Plant, Rough-Leaf Fig
Local Names:  Ipin, Asesa (Yoruba, Nigeria), Baure (Hausa, Nigeria), Ntchach Lum (Bamileke, Cameroon), Thutsia (Bamileke, Cameroon)
Species ID: NMP-068 |
wfo-0000687389 | NCBI_Taxonomy ID: 182103

Scientific Classification

Kingdom: Plantae

Clade: Tracheophytes

Clade: Angiosperms

Clade: Eudicots

Clade: Rosids

Order: Rosales

Family: Moraceae

Genus: Ficus

Species: F. asperifolia

Binomial Name: Ficus asperifolia Miq.

Synonyms: Ficus acutifolia Hutch., Ficus cnestrophylla Warb., Ficus colpophylla Warb., Ficus irumuensis De Wild., Ficus manicariarum Standl., Ficus paludicola Warb., Ficus pendula Welw. ex Hiern, Ficus scolopophora Warb., Ficus storthophylla Warb., Ficus storthophylla var. cuneata De Wild., Ficus urceolaris Welw. ex Hiern, Ficus urceolaris var. bumbana Hiern, Ficus warburgii H.J.P.Winkl., Ficus xiphophora Warb.

Morphological Description

Ficus asperifolia is a small to medium-sized tree or shrub, typically 5–20 m tall, with a spreading canopy. Key features include:

·       Leaves: Large, ovate to elliptic, 10–30 cm long, rough-textured (sandpaper-like), spirally arranged

·       Stems: Woody, with grayish-brown bark, exuding milky latex when cut

·       Fruits: Figs, 1–2 cm in diameter, green to yellowish, borne in pairs or clusters, edible

·       Flowers: Tiny, enclosed within the fig (syconium), pollinated by specific fig wasps

The rough leaves, reflected in its name "asperifolia," are a distinguishing trait.

Distribution and Habitat

Ficus asperifolia thrives in:

·       Native Range: Tropical Africa (Senegal to Uganda, south to Angola and South Africa)

·       Habitat: Evergreen rainforests, riverine woodlands, savanna edges; 0–1,100 m altitude

·       Soil/Climate: Moist, well-drained soils; humid tropical, 1,000–2,500 mm rainfall

It’s abundant along riverbanks and marshy areas (Watcho et al., 2017).

Ethnopharmacology

Traditionally, various parts of Ficus asperifolia  have been utilized for medicinal purposes: in Cameroonian traditional medicine, decoctions of dried fruits are employed to address female infertility. Scientific studies have indicated that extracts from these fruits may enhance fertility by promoting the growth of reproductive organs and amplifying the effects of testosterone in animal models. The plant is traditionally used to treat inflammatory conditions and pain. Research has demonstrated that methanol leaf extracts of F. asperifolia exhibit significant anti-inflammatory and analgesic effects, supporting its traditional applications. Traditionally, the plant has been used to treat various infections. Studies have shown that F. asperifolia contains vital phytochemicals, suggesting its potential in herbal remedies.

Traditional uses, supported by studies, include:

·       Respiratory Issues: Nigerian Hausa use bark decoction for coughs

·       Gastrointestinal Disorders: Cameroon Bamileke chew leaves for ulcers; antispasmodic activity in rats (Shi et al., 2018).

·       Infections: Yoruba apply leaf paste for wounds.

·       Fertility: Decoction of dried fruits reverses infertility in Cameroon; increased implantation sites in rats (p<0.05 at 100 mg/kg) (Ngadjui et al., 2013).

·       Purgative/Anthelmintic: Leaves used in Ghana; laxative effect in mice (PROTA, 2019).

Scientific validation is ongoing; consult professionals before use.

Phytochemistry

Key compounds include:

·       Triterpenoids: β-Amyrin, euphol; anti-inflammatory (Ngadjui et al., 2013).

·       Flavonoids: Quercetin derivatives; antioxidant (Mwine & Van Damme, 2011).

⚠   Toxicity Profile: Latex irritates skin/eyes due to ficin; ingestion may cause nausea (LD₅₀ ~1,500 mg/kg in rats) (Shi et al., 2018).

Additional Information

·       Ecological Role: Figs feed birds, bats, and monkeys; hosts fig wasps (Verkerke, 1987).

·       Cultural Use: Planted as shade trees in Cameroon due to large leaves (PROTA, 2019).

·       Androgenic Effects: Extracts boost testosterone in rats (Watcho et al., 2017).

References

  • Ngadjui, E., Watcho, P., Nguelefack, T. B., & Kamanyi, A. (2013). Effects of Ficus asperifolia on normal rat estrus cycle. Journal of Pharmacognosy and Phytochemistry, 2(2), 66–70.
  • PROTA. (2019). Ficus asperifolia. Plant Resources of Tropical Africa. Retrieved from https://uses.plantnet-project.org/en/Ficus_asperifolia_(PROTA)
  • Verkerke, W. (1987). Ovule dimorphism in Ficus asperifolia Miquel. Acta Botanica Neerlandica, 36(2), 121–124.
  • Watcho, P., Meli Watio, H., Wankeu-Nya, M., Ngadjui, E., Deeh Defo, P., Nkeng-Efouet, P. A., Nguelefack, T. B., & Kamanyi, A. (2017). Androgenic effects of aqueous and methanolic extracts of Ficus asperifolia in male Wistar rats. BMC Complementary and Alternative Medicine, 17(1), 42. https://doi.org/10.1186/s12906-016-1547-5

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Compounds of Ficus asperifolia
References

Lawal, O. A., Adebayo, M. A., Sikiru, A. A., & Ogunwande, I. A. (2016). Chemical composition and antimicrobial activity of essential oils of Ficus asperifolia Miq. and Ficus capensis Thunb from Nigeria. Journal of essential oil bearing plants, 19(7), 1693-1700.