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An evergreen tree up to 70 ft high in the wild, glabrous in all its parts. Leaves entire, ovate or elliptic, rounded or cuneate at the base, the apex obtuse or acute and often abruptly narrowed to a short acuminate tip; petiole 3⁄8 to 3⁄4 in. long. Flowers borne on the current season’s growths in axillary umbel-like clusters, on peduncles 3⁄8 to 1⁄2 in. long; pedicels shorter than the peduncle. Fruits globose or ellipsoid, 1⁄4 to 3⁄16 in. long, red, three to eight on each peduncle; nutlets five to seven, grooved and lined on the back.
Native of Japan, Formosa, E. China, etc. It is not certain if the typical state of the species is in cultivation, though it should be hardy if introduced from the northern end of its range in Japan, where it is much cultivated for ornament.
I. microcarpa Lindl. ex Paxt