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Bull. Mus. natl. Hist. nat., sect. B, Adansonia 16: 70 (1994). |
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Mimosaceae (Leguminosae - Mimosoideae) |
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Dichrostachys villosa R.Vig. (1949). |
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Alantsilodendron villosum is endemic to northern Madagascar. |
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The stems are used for posts in house construction. |
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Small tree; young branches glabrous, with lenticels. Leaves alternate but clustered at the apex of short lateral shoots, bipinnately compound with 13–40 pairs of pinnae, these opposite; stipules densely crowded along short shoots, narrowly ovate, 7–12 mm long; petiole 8–13 mm long, rachis 3.5–8 cm long, grooved, woolly hairy and with glands between the pinnae; leaflets 40–45 pairs per pinna, opposite, sessile, elliptical to oblong, up to 1.5 mm × 0.5 mm, truncate to rounded and asymmetrical at base and obtuse at apex, glabrous. Inflorescence an axillary head, produced solitary or in clusters on short shoots; peduncle 1.5–2.5 cm long, woolly hairy. Flowers bisexual, regular, 5-merous, sessile, white; calyx saucer-shaped, c. 1.5 mm long, woolly hairy in lower part, with short lobes; petals connate into a tube 1.5–2 mm long, lobes c. 1 mm long, acute; stamens 10, free, 4.5–6.5 mm long, anthers with a gland at apex; ovary superior, sessile, ellipsoid, woolly hairy, style c. 1.5 mm long. Fruit a linear-oblong pod 6–8.5 cm × 0.5–1 cm, with thickened and sharply ridged margins, glabrous to shortly hairy, red-brown, dehiscent with 2 woody valves. Alantsilodendron comprises 9 species, most of them restricted to southern Madagascar. It is closely related to Dichrostachys and Gagnebina. Alantsilodendron villosum flowers when new leaves develop. |
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Alantsilodendron villosum occurs in dry deciduous woodland on sandy soils. |
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Alantsilodendron villosum has a limited distribution and may become easily endangered by habitat destruction. |
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Alantsilodendron villosum will remain of minor importance because of its small size and limited distribution. |
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• 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. |
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• Villiers, J.-F., 1994. Alantsilodendron Villiers, genre nouveau de Leguminosae-Mimosoideae de Madagascar. Bulletin du Muséum National d’Histoire Naturelle, 4e série, 16, section B, Adansonia (1): 65–70. |
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Lemmens, R.H.M.J., 2006. Alantsilodendron villosum (R.Vig.) Villiers. [Internet] Record from PROTA4U. Louppe, D., Oteng-Amoako, A.A. & Brink, M. (Editors). PROTA (Plant Resources of Tropical Africa / Ressources végétales de l’Afrique tropicale), Wageningen, Netherlands. <http://www.prota4u.org/search.asp>. Accessed . |
There are 102 book citations related to Alantsilodendron villosum (R.Vig.) Villiers. Click on "show more" to view them. |
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General importance | |
Geographic coverage Africa | |
Geographic coverage World | |
Timber use | |
Conservation status | |