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Heritiera utilis (PROTA)

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== Synonyms ==
*''Tarrietia utilis'' (Sprague) Sprague (1916).
== Vernacular names ==
*Niangon, nyankom, red cedar, cola cedar, whismore (En). *Niangon (Fr).
== Origin and geographic distribution ==
== Description ==
*Medium-sized to large tree up to 35(–45) m tall; bole cylindrical but often crooked, branchless for up to 20(–30) m, up to 150(–300) cm in diameter, with high, thin and arched buttresses or with stilt-like buttresses (especially well developed in swamp forest); bark pale brown, thin, smooth; crown compact and rounded, with golden to bronze colour when viewed from below. *Leaves alternate, simple or digitately compound; stipules c. 0.5 cm long, early caducous; petiole 1–25 cm long; blade 5–30 cm × 2–10 cm in outline, elliptical when simple or with 5–7 leaflets, cuneate at base, acuminate at apex, densely and contiguously bronze scaly hairy below, pinnately veined with 8–18 pairs of lateral veins. *Inflorescence an axillary, narrow panicle up to 20 cm long, reddish brown pubescent; bracts c. 1 cm long, caducous. *Flowers unisexual, regular, 4–5-merous, whitish or cream-coloured, c. 0.5 cm long; pedicel slender, 0.5–1 cm long; calyx campanulate with lobes about as long as tube, stellately hairy; petals absent; disk annular, orange; male flowers with stamens fused into a column; female flowers with 4–6 carpels united loosely. *Fruit consisting of 1–6 woody nuts c. 2.5 cm × 1.5 cm with a large wing c. 8 cm × 3 cm. *Seedling with epigeal germination; hypocotyl 10–15 cm long, scaly especially towards apex, epicotyl 2–3 cm long; cotyledons leafy, obovate, 6–7 cm long, 3-veined from the base.
== Other botanical information ==
*Mineral inclusions: (136: prismatic crystals present); (137: prismatic crystals in upright and/or square ray cells); (140: prismatic crystals in chambered upright and/or square ray cells); (142: prismatic crystals in chambered axial parenchyma cells); (154: more than one crystal of about the same size per cell or chamber).
{{right|(P. Ng’andwe, H. Beeckman & P.E. Gasson)}}
== Growth and development ==
== Author(s) ==
* K.A. Adam , Forestry Research Institute of Ghana (FORIG), University P.O. Box 63, KNUST, Kumasi, Ghana
== Correct citation of this article ==
Adam, K.A., 2005. '''Heritiera utilis''' (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}}.
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