Japan Flora: Deciduous, erect, loosely branching shrub to 4 m. high, the branches rather thick, glabrous; leaves obovate or narrowly so, 10-20 cm. long, 10 cm. wide, acuminate, rounded or sometimes shallowly cordate to subobtuse at base, glabrous, entire, pale green beneath, the petioles 1-4 cm. long, glabrous; receptacles axillary, solitary, globose, abruptly narrowed below, 3-bracteate at base, glabrous, 1-1.3 cm. across, the peduncles glabrous, rather dender, 1-2 cm. long. May-Aug. Thickets and woods, low mountains and hills;

Honshu (Kanto Distr. and westw.), Shikoku, Kyushu.

var. sieboldii (Miq.) King. Leaves narrower, lanceolate. Occurs with the typical phase.
var. yamadorii Makino. Coarsely pilose on branches, leaves and receptacles. Occurs with the typical phase. s. Korea, Ryukyus, and Formosa.

Korea Flora: Deciduous tree. Winter buds and young shoots conical, pointed at the tip, with 2-4 scales, and the terminal bud larger than the lateral buds (7-12 mm long). The stipule scars surround the branches. Leaf scars crcular, and young shoots large. Leaves alternate, obovate-elliptic or obovate-oblong, tapering to a point at the apex, with a rounded or slightly heart-shaped base. Leaf size (4)6-20 cm × 3-8 cm, with smooth edges and no hairs on both surfaces. some leaves slight hairs on the surface. veins prominently raised with 9-10 pairs of leaf veins. petiole 10-30 mm long. Dioecious, with a single flower stalk from the leaf axil of new branches, bearing three bracts at the end, above round, pouch-like syconium about 15 mm in diameter, and many flowers. Male flowers 5-6 petals and 3 stamens. Female flowers 3-5 petals and one ovary with a short style. syconium round and 15 mm in diameter.

Sporophyte chromosome number: 26.

Flowering May to June.

Fruiting Mid-August to late February of the following year.

Distribution: Southern Honshu to Okinawa in Japan; Jeollanam-do and Jeju-do in Korea.

Taxonomic notes: The variety with somewhat elongated leaves is called Ficus erecta var. sieboldii (Miq.) King, but it grows together with F. erecta in the same regions, suggesting it is a phenotypic variation.