Pseuduvaria beccarii is a species of plant in the family Annonaceae. It is endemic to New Guinea. Rudolph Scheffer, the Dutch botanist who first formally described the species using the basionym Orophea beccarii, named it after Odoardo Beccari, the Italian naturalist who collected the sample he examined.
It is a tree reaching in height. Its papery leaves are 16âÂÂ23 by 6âÂÂ8 centimeters and come to a point at their tips. The leaves are hairless on their upper surface and densely hairy on their lower surfaces. The leaves have 14âÂÂ18 pairs of secondary veins emanating from their midribs. Its densely hairy petioles are up to 4 millimeters long with a groove on their upper side. Inflorescences are organized on densely hairy peduncles 8âÂÂ20 millimeters long. Each inflorescence consists of up to 5 flowers. Each flower is on a densely hairy pedicel 4âÂÂ12 millimeters in length. The flowers have both male and female reproductive structures. Its flowers have 3 small sepals, 1 by 0.5 millimeters. The sepals are smooth on their upper surface and densely hairy on their lower surface. Its 6 petals are arranged in two rows of 3. The outer petals are 2 by 1.5 millimeters with smooth upper surfaces and densely hairy lower surfaces. The inner petals have a 2âÂÂ2.5 millimeter long claw at their base and a 4.5âÂÂ6.5 by 3.5âÂÂ4 millimeter blade. The inner petals are smooth on their upper surface and densely hairy on their lower surface. Its flowers have up to 20 stamens that are 0.6âÂÂ0.7 millimeters long. Each flower has one carpel. Fruit are on 12âÂÂ20 millimeter long peduncles. Fruit are 22âÂÂ36 by 9âÂÂ17 millimeter ellipsoids. The fruit are wrinkly, densely hairy and orange when mature. There are 8 seeds, 9.5âÂÂ10.5 by 7âÂÂ8 millimeters in each fruit.
The pollen of P. beccarii is shed as permanent tetrads.