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

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

Discussion

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

Selected References

None.

Lower Taxa

None.