Pittosporum napaliense, a member of the Pittosporaceae (pittosporum) family, is a small tree 5 to 11 m (16 to 36 ft) tall with young parts and inflorescences covered in pale brown pubescence. The glabrous (smooth) leaves are obovate with entire margins and slightly impressed veins on the upper surface. The cream colored, tubular flowers are unisexual and occur in groups of 8 to 20 in axillary or terminal inflorescences. Capsules are oblong-ovoid, 17 to 19 mm (0.7 in) long, and glabrous at maturity. Seeds are black to reddish-black, 5 to 7 mm long (0.2 to 0.3 in).