It is a tree reaching 12–12 meters in height. Its leaves are 6–10 by 2–4 centimeters and come to a point at their tips. The leaves are smooth and shiny on both surfaces. Its
petioles are 5 millimeters long. Its flowers are arranged in groups of 1–2 or fewer on a
rachis. Each flower is on a fleshy, densely hairy
pedicel 1–1.5 centimeters long. Its flowers have 3, leathery, oval-shaped
sepals. Its 6 petals are arranged in two rows of 3. The outer petals are 6 by 11 millimeters. They are yellow and orange with red highlights and have wavy margins. Their outer surface is hairy, while their inner surface is smooth. The inner petals are 12 millimeters long. Its
stamens are 1 millimeter long. Each flower has as many as 12
carpels that are 1 millimeter long and hairy. Each carpel has about 4
ovules.
Reproductive biology The pollen of
M. samarensis is shed as permanent tetrads. ==References==