Probably trees, new growth sparsely puberulent, soon glabrate.
Leaves
Leaves opposite, firm-chartaceous, narrowly obovate, 9.5-10 cm long, 4.8-5.4 cm wide, midrib prominent, venation evident, primary lateral veins slightly curved at distal end, their tips connected by a slightly sinuous vein ca. 1-3 mm from margin, both surfaces glabrous, apex obtuse, base broadly cuneate, petioles pale, corky-thickened, 10-13 mm long, glabrous.
Flowers
Flowers ca. 25 in sparsely puberulent, axillary cymes, pedicels 3-7 mm long, bracteoles ovate; sepals ca. 1.5 mm long in bud, floral details otherwise unknown.
Fruit
Fruit 20-26 mm wide, of distinct follicles 10-13 mm long, exocarp green or brown, glabrous or minutely appressed puberulent near suture, somewhat rugose-veined when dry, endocarp thin, cartilaginous, glabrous.
Seeds
Seeds usually 1 per follicle, ca. 6 mm long.
Notes
Additional evidence may show that this entity actually represents M. mucronulata.
