Trees, to 30 m tall, to 50 cm d.b.h. Twigs 3-4 mm in diam., glabrous. Stipular scar 2-3 mm. Petiole 1.5-2 cm, glabrous, adaxially furrowed; leaf blade obovate, 6-11 × 3-6 cm, thinly leathery, both surfaces glabrous, midvein adaxially impressed, secondary veins 9-11 on each side of midvein, reticulate veins prominent on both surfaces when dry, base broadly cuneate and slightly decurrent, margin slightly reflexed, apex cuspidate with a 5-10 mm mucro. Flower buds ovoid, 3-4 cm. Peduncle 1-1.5 cm, glabrous, with a bract scar; spathaceous bract 1, just next to tepals, tuberculate, glabrous, dehiscing along one side. Tepals 9, fleshy; outer 3 tepals ovate, 3-3.5 × ca. 1.5 cm; tepals of inner 2 whorls smaller. Gynoecium narrowly ovoid-ellipsoid, ca. 2.5 × 0.8 cm; carpels conspicuously with 2 or 3 series, tuberculate, furrowed along dorsal suture, furrow not reaching to style apex; ovules ca. 6 per carpel; styles 5-6 mm. Fruit not seen. Fl. Apr-May.