Encephalartos laurentianus plants arborescentes, they can arrive
until 15 m height, Y 100 cm diameter.
Leaves 400-700 cm long, dark green, very bright and
flat (without keel) in the section (opposite leaves on rachis), green colored branches,
slightly curved, a little lax; petiole straight, there are no leaves at the base and spines are present.
Leaflets do not overlap, they are not lobed, flat lanceolate margins;
very serrated top margin (more of 3 teeth);
medium leaves of 35-50 cm long, 40 -70 mm wide.
Of 2-6 breeding cones , ovoid, yellow.
Ovoid seeds, from 40-50 mm long, 25-30 mm wide, red sarcotesta.