Oreopanax formosanus Hayata, J. Coll. Sci. Imp. Univ. Tokyo 25: 108. 1908 ["formosanum"].

Trees, evergreen, to 12 m tall. Branches, petioles, adaxial leaf surfaces, and inflorescences densely minutely stellate pubescent. Leaf blade broadly orbicular, ca. 20 × 23 cm, entire or with 3-5 broad lobes, base broadly cuneate to truncate or cordate, margin irregularly dentate, apex acute to shortly acuminate. Inflorescence a terminal panicle; primary axis 15-20 cm; secondary axes to ca. 15 cm; heads 6-7 mm in diam., 8-12- flowered. Fruit ca. 4 × 5 mm in diam. Fl. Sep, fr. Mar, May-Oct, Dec.

This species is occasionally cultivated as an ornamental.

● Open areas in forests; 2300-2600 m. Taiwan.