Morphological features:
Evergreen tree, up to 25 meters high, 55cm in diameter at breast height, with gray-brown bark, open branches and glabrous branchlets. Leaves are arranged in pseudo-dichotomous rows, linear-lanceolate, 1.2-2.5 cm long, 2-3 mm wide, narrower the more to the upper part, the apex of the abrupt spines pointed, the base a few rounded, entire, hard, dark yellowish-green above, glossy, light green below, the midrib is conspicuous, and a concave yellowish-white stomatal band on each of its two sides.