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<big>''[[Digitaria iburua]]'' Stapf</big>
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{{DISPLAYTITLE:''Digitaria iburua'' (PROTA)}}
:Protologue: Bull. Misc. Inform. Kew 1915: 382 (1915).
:Chromosome number: 2''n'' = 54
== Vernacular names ==
*Black fonio, iburu, black acha (En). *Fonio noir, manne noire, ibourou (Fr).
== Origin and geographic distribution ==
== Description ==
*Loosely tufted, erect, annual grass up to 1.4 m tall, with glabrous stems. *Leaves alternate, simple; leaf sheath glabrous, smooth, striate; ligule membranous, rounded, broad, 2–3 mm long; blade linear, tapering upwards, up to 30 cm × 1 cm, glabrous except for some long hairs near the base. *Inflorescence a terminal digitate panicle of (2–)4–10(–11) sessile raceme-like primary branches 12–14 cm long. *Spikelet up to 2.5 mm stalked, elliptical-lanceolate to oblong, up to 2 mm × 1 mm, acute, glabrous, green to dark brown, 2-flowered; lower glume hyaline, minute; upper glume ovate-oblong, 1–1.5 mm long, hyaline, 3-veined; lower floret sterile, upper floret bisexual; lemma of lower floret 7-veined, lemma of upper floret brownish to black; palea slightly shorter than lemma; stamens 3; ovary superior, with 2 stigmas. *Fruit a caryopsis (grain), ellipsoid, 1.5–2 mm × 1 mm. == Other botanical information ==
''Digitaria iburua'' mainly differs from its possible ancestor ''Digitaria ternata'' by its glabrous spikelets. ''Digitaria iburua'' greatly resembles ''Digitaria exilis'' (Kippist) Stapf (fonio). It is called black fonio because of its dark spikelets, but its grain is white.
== Ecology ==
== Author(s) ==
* M. Brink , PROTA Network Office Europe, Wageningen University, P.O. Box 341, 6700 AH Wageningen, Netherlands
== Correct citation of this article ==
Brink, M., 2006. '''Digitaria iburua''' Stapf. [Internet] Record from PROTA4U. In: Brink, M. & Belay, G. (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}}.
