Cookies help us deliver our services. By using our services, you agree to our use of cookies.

Changes

Jump to: navigation, search

Entandrophragma cylindricum (PROTA)

60 bytes removed, 21:08, 26 October 2015
no edit summary
[[File:Entandrophragma cylindricum plantules E FORNI Cirad.jpg|thumb|seedlings]]
[[File:Entandrophragma cylindricum exploitation au Cameroun M. LOURMAS Cirad.jpg|thumb|log]]
[[File:Entandrophragma cylindricum Hawthorne composition.jpg|thumb|various parts of the tree. obtained from (W.D. Hawthorne)]]
[[File:Entandrophragma cylindricum dosse CIRAD.jpg|thumb|wood (tangential surface)]]
[[File:Entandrophragma cylindricum quartier CIRAD.jpg|thumb|wood (radial surface)]]
== Vernacular names ==
*Sapelli mahogany, sapele mahogany, West African cedar, scented mahogany (En). *Sapelli, cédrat d’Afrique (Fr). *Sapelli (Po).
== Origin and geographic distribution ==
== Description ==
*Deciduous, dioecious large tree up to 55(–65) m tall; bole branchless for up to 40 m, straight and cylindrical, up to 200(–280) cm in diameter, with low, blunt buttresses up to 2 m high, rarely up to 4 m; bark surface silvery grey to greyish brown or yellowish brown, becoming irregularly scaly with scales leaving shallow pits with numerous lenticels, inner bark pinkish, soon becoming brown upon exposure, fibrous, with a strong cedar-like smell; crown rounded; young twigs brownish short-hairy, marked with lenticels. *Leaves alternate, clustered near ends of twigs, paripinnately compound with 10–19 leaflets; stipules absent; petiole 5–13 cm long, flattened or slightly channelled, often slightly winged at base, rachis 7–17 cm long; petiolules 1–6 mm long; leaflets opposite to alternate, oblong-elliptical to oblong-lanceolate or oblong-ovate, 4–15 cm × 2–5 cm, cuneate to rounded and slightly asymmetrical at base, usually short-acuminate at apex, papery to thinly leathery, almost glabrous, pinnately veined with 6–12 pairs of lateral veins. Inflorescence an axillary or terminal panicle up to 25 cm long, short-hairy. *Flowers unisexual, regular, 5-merous; pedicel 1–2.5 mm long; calyx cup-shaped, lobed to about the middle, 0.5–1 mm long, sparsely short-hairy outside; petals free, ovate, 3–4 mm long, sparsely short-hairy outside, greenish white; stamens fused into an urn-shaped tube c. 2 mm long, with 10 anthers at the slightly toothed apex; disk cushion-shaped, with 20 indistinct ridges; ovary superior, conical, 5-celled, style very short, stigma disk-shaped, with 5 lobes; male flowers with rudimentary ovary, female flowers with smaller, non-dehiscing anthers. *Fruit a pendulous, cylindrical capsule 6–14(–22) cm × 2.5–4 cm, brown to purplish black, dehiscing from the apex and base with 5 woody valves, up to 20-seeded with seeds attached to the upper part of the central column. *Seeds 6–11 cm long including the large apical wing, pale brown. *Seedling with epigeal germination, but cotyledons often remaining within the testa; hypocotyl 2–4 cm long, epicotyl 6–9 cm long; first 2 leaves opposite, simple.
== Other botanical information ==
*Mineral inclusions: 136: prismatic crystals present; 137: prismatic crystals in upright and/or square ray cells; 141: prismatic crystals in non-chambered axial parenchyma cells; (142: prismatic crystals in chambered axial parenchyma cells).
{{right|(L.N. Banak, H. Beeckman & P.E. Gasson)}}
== Growth and development ==
== Author(s) ==
* V.A. Kémeuzé , Millennium Ecologic Museum, BP 8038, Yaoundé, Cameroon
== Correct citation of this article ==
Kémeuzé, V.A., 2008. '''Entandrophragma cylindricum''' (Sprague) Sprague. [Internet] Record from PROTA4U. In: 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 {{CURRENTDAY}} {{CURRENTMONTHNAME}} {{CURRENTYEAR}}.
Bureaucrat, administrator, widgeteditor
146,870
edits

Navigation menu