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<big>''[[Mitragyna ledermannii]]'' (K.Krause) Ridsdale</big>
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{{DISPLAYTITLE:''Mitragyna ledermannii'' (PROTA)}}
:Protologue: Blumea 24(1): 68 (1978).
''Mitragyna ciliata'' Aubrév. & Pellegr. (1936), ''Hallea ciliata'' (Aubrév. & Pellegr.) J.-F.Leroy (1975), ''Hallea ledermannii'' (K.Krause) Verdc. (1985), ''Fleroya ledermannii'' (K.Krause) Y.F.Deng (2007).
== Origin and geographic distribution ==
Wood-anatomical description (IAWA hardwood codes):
*Growth rings: 2: growth ring boundaries indistinct or absent. *Vessels: 5: wood diffuse-porous; 13: simple perforation plates; 22: intervessel pits alternate; 25: intervessel pits small (4–7 μm); 29: vestured pits; 30: vessel-ray pits with distinct borders; similar to intervessel pits in size and shape throughout the ray cell; 42: mean tangential diameter of vessel lumina 100–200 μm; 48: 20–40 vessels per square millimetre. *Tracheids and fibres: 61: fibres with simple to minutely bordered pits; 62: fibres with distinctly bordered pits; (63: fibre pits common in both radial and tangential walls); 66: non-septate fibres present; 69: fibres thin- to thick-walled; (70: fibres very thick-walled). *Axial parenchyma: 76: axial parenchyma diffuse; 77: axial parenchyma diffuse-in-aggregates; 78: axial parenchyma scanty paratracheal; 92: four (3–4) cells per parenchyma strand; 93: eight (5–8) cells per parenchyma strand. *Rays: 97: ray width 1–3 cells; (102: ray height > 1 mm); 107: body ray cells procumbent with mostly 2–4 rows of upright and/or square marginal cells; 108: body ray cells procumbent with over 4 rows of upright and/or square marginal cells; 115: 4–12 rays per mm. *Mineral inclusions: 159: silica bodies present; 160: silica bodies in ray cells.
(F.D. Kamala, P. Baas & H. Beeckman)
== Author(s) ==
* Nyunaï Nyemb , Institut de Recherches Médicales et d’Etudes des Plantes Médicinales, B.P. 3805, Yaoundé, Cameroon
== Correct citation of this article ==
Nyemb, Nyunaï, 2011. '''Mitragyna ledermannii''' (K.Krause) Ridsdale. [Internet] Record from PROTA4U. In: Lemmens, R.H.M.J., Louppe, D. & Oteng-Amoako, A.A. (Editors). PROTA (Plant Resources of Tropical Africa / Ressources végétales de l’Afrique tropicale), Wageningen, Netherlands. <http://www.prota4u.org/search.asp>.
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[[Category:PROTA prov]][[Category:Timbers (PROTA)]]
