ORIGINAL DIAGNOSIS: "A P. aurea differt praecipue ramis 15mm crassis et foliis 45 em longis."
ORIGINAL DESCRIPTION: "Glabrous 5 meter high tree with smooth grayish bark and upright yellowish 15 mm thick branches conspicuously ridged with leaf scars particularly toward the end. Leaves crowded at the ends of branches, linear, about 45 cm long and 1 cm or less wide, pale green, thick especially along center of under side, with partly clasping searious-margined base about 2 cm wide. Flowers glabrous, on 1 cm-Iong pedicel, in compact recurved panicle usually 2-3 dm long. Perianth narrowly campanulate, greenish yellow, somewhat glaucous and partly translucent, with tube 3.5-4 cm long and 1cm wide; lobes subequal, about 10-15 mm long and together with marginal wings 5 mm wide, linear-lanceolate, slightly keeled toward top. Stamens inserted at or slightly above base of perianth lobes, as wide as the lobes at the base and as long as the lobes, complanate-subulate; anthers sagittate, greenish yellow, 5 mm long; pollen yellow. Ovary obconic, longitudinally trisulcate, 5 mm long and 3 mm wide, yellow; style 3 cm long, thick, greenish yellow; stigma
entire, trigonal. Fruit breaking laterally through marcescent perianth, 1-seeded and 10 mm in diameter or 2-seeded and bisulcate or rarely 3-seeded and trisulcate and 15 mm in diameter, on ripening first juicy and dark brown and then bright red and juicy and finally long persistent as wrinkled dried red drupe having thin chartaceous endocarp. Seeds globose, spherical, white, 7-9 mm in diameter."
SUPPLEMENTARY DESCRIPTION: Tree 5-7 m tall, and up to 30 cm in diameter; leaves 28-45 cm long, 5-10 mm wide; flowers 43-47 mm long, the expanded tube 28-35 mm long, 10-15 mm in diameter at the throat; style 30-50 mm long; panicle up to 51 cm long and 15 cm in diameter.