Tree 10-25 m. Twigs subterete or ± angular and grooved, 3-6 mm diameter, early glabrescent, indumentum minute; bark smooth or fissured; with or without lenticels. Leaves chartaceous or (thinly) coriaceous, (elliptic-)oblong, 15-23 by 5-8 cm, lower surface with dense interwoven scale-like hairs 0.1 mm (lens!), seemingly ± glabrous, or late glabrescent; not papillose; upper and lower surface at least towards the margin with scattered small dots (lens!), sometimes obscured by the indumentum; midrib raised above, lateral nerves 20-30 per side, at 70-80° to the midrib, flat or sunken above, faint below, venation invisible. Inflorescences between the (lower) leaves, almost as in Knema, but pedunculate, in male peduncle (3-) 10 mm, in female 5 mm, ending in a small scar-covered part with a cluster of few flowers. Male flowers presumably resembling those of M. brassii and M. neglecta', known at anthesis only in subsp. duplopunctata. Fruits solitary, 4-5 cm, known only in subsp. versteeghii.
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