Viguieranthus glaber (PROTA)

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Plant Resources of Tropical Africa
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Viguieranthus glaber Villiers


Protologue: Du Puy, Legum. Madagascar: 276 (2002).
Family: Mimosaceae (Leguminosae - Mimosoideae)

Origin and geographic distribution

Viguieranthus glaber is endemic to the northern and north-western parts of Madagascar.

Uses

The stems of Viguieranthus glaber are used for making brooms.

Properties

The wood has a bad smell.

Botany

Much branched shrub up to 2 m tall or small tree up to 12 m tall; bark splitting, yellowish grey; young branches grey-brown to grey, thinly pubescent, with red glandular hairs. Leaves alternate, bipinnately compound with a single pair of pinnae; stipules leathery, persistent; petiole 2–13 mm long, with raised, winged margins and gland at apex on upper side; pinna axis 1–3.5 cm long, with winged margins; leaflets 7–23 per pinna, alternate to almost opposite, sessile, rhombic to obovate, up to 16 mm × 7 mm, asymmetrical at base, obtuse to rounded at apex, glabrous. Inflorescence an axillary head, solitary or in clusters, many-flowered; peduncle 2–5 cm long. Flowers bisexual, regular, 4-merous; calyx cup-shaped, c. 1 mm long, leathery; petals fused at base, 4.5–5 mm long, white; stamens numerous, c. 10 mm long, fused over 2–3 mm; ovary superior, stalked, 1-celled, style up to 16 mm long, slender. Fruit a linear-oblanceolate pod up to 13.5 cm × 1 cm, with long stipe, short soft-hairy, black, splitting into 2 valves. Seeds rhombic to oblong, up to 11 mm × 6 mm, black.

Viguieranthus comprises about 23 species, 18 of them endemic to Madagascar, 1 occurring in both the Comoros and Madagascar and the other 5 species restricted to tropical Asia.

Ecology

Viguieranthus glaber is found in dry thickets and woodland from sea-level up to 500 m altitude.

Genetic resources

In view of the fairly large distribution area of Viguieranthus glaber in Madagascar, it is not liable to genetic erosion.

Prospects

Viguieranthus glaber will remain of local importance for making brooms.

Major references

  • Boiteau, P., Boiteau, M. & Allorge-Boiteau, L., 1999. Dictionnaire des noms malgaches de végétaux. 4 Volumes + Index des noms scientifiques avec leurs équivalents malgaches. Editions Alzieu, Grenoble, France.
  • du Puy, D.J., Labat, J.N., Rabevohitra, R., Villiers, J.-F., Bosser, J. & Moat, J., 2002. The Leguminosae of Madagascar. Royal Botanic Gardens, Kew, Richmond, United Kingdom. 750 pp.

Other references

  • ILDIS, 2005. World database of Legumes, Version 10,01. International Legume Database & Information Service. [Internet] http://www.ildis.org/. April 2011.
  • Lewis, G., Schrire, B., MacKinder, B. & Lock, M., 2005. Legumes of the world. Royal Botanic Gardens, Kew, Richmond, United Kingdom. 577 pp.

Author(s)

  • C.H. Bosch, PROTA Network Office Europe, Wageningen University, P.O. Box 341, 6700 AH Wageningen, Netherlands

Correct citation of this article

Bosch, C.H., 2011. Viguieranthus glaber Villiers. [Internet] Record from PROTA4U. Brink, M. & Achigan-Dako, E.G. (Editors). PROTA (Plant Resources of Tropical Africa / Ressources végétales de l’Afrique tropicale), Wageningen, Netherlands. <http://www.prota4u.org/search.asp>.

Accessed 8 March 2020.