Plants 70–150 dm. Branches purplish brown or dark-brown, tawny villous or tomentose when young, glabrescent; thorns usually absent. Leaves: petiole 3–4.5 cm, tomentose when young; blade ovate or ovate-elliptic, 7–12 × 4–6.5 cm, base rounded or subcordate, margins spinulose-serrate, apex acute, surfaces glabrous or brown-lanate when young. Pedicels 3.5–5 cm, pubescent when young. Flowers 25–35 mm diam.; sepals triangular-ovate, 5 mm, apex acuminate; petals white, ovate, 15–17 mm; ovaries 5-locular; styles 5. Pomes brownish with pale dots, subglobose, 20–25 mm diam.; sepals deciduous. 2n = 34.

Phenology: Flowering Apr.
Habitat: Old fields
Elevation: 50–400 m

Distribution

• Generated Map
• Legacy Map

Introduced; Ill., Va., W.Va., Asia (China), Asia (Laos), Asia (Vietnam)

Discussion

The type collection of the species is from Japan, but the plant is doubtfully native there.

Selected References

None.

Lower Taxa

None.