Description
provided by eFloras
Shrubs 1–1.5 m tall. Branchlets brownish or red-brown, turning gray-brown when old, slender, sometimes flexuose, slightly angled, glabrous; buds long ovoid, with 2 scales, glabrous or sparsely puberulous on scale margins, apex acuminate. Petiole 4–7 mm, glabrous or sparsely pilose; leaf blade broadly ovate, 2–4.5 × 1–3 mm, tufted pubescent in vein axils abaxially, glabrous adaxially, base rounded or broadly cuneate, margin minutely sharply serrate and doubly serrate (or on sterile branchlets sometimes incised doubly serrate), apex acute. Racemes pedunculate, umbellate, 2–4 × 2–3 mm, 5–12-flowered; rachis and pedicels glabrous; pedicels 6–10 mm; bracts linear, 2–3 mm, glabrous, caducous. Flowers 6–9 mm in diam. Hypanthium broadly campanulate, glabrous abaxially. Sepals ovate-triangular, 1.5–2.5 × 1.5–2 mm, reflexed in fruit, apex acute. Petals white, broadly ovate or suborbicular, 2.5–3.5 × 2–3 mm, glabrous, base shortly clawed, apex obtuse or somewhat incised. Stamens 35–50, longer than petals. Disk undulate annular. Carpels puberulous on adaxial suture; styles shorter than stamens. Follicles erect, appressed pubescent; styles terminal on adaxial side, slightly spreading. Fl. May–Jun, fr. Jul–Sep.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Hebei, Heilongjiang, Henan, Jilin, Liaoning, Shanxi, Xinjiang [Japan, Korea, Mongolia, Russia; Europe].
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Slopes in mixed forests, forest clearings; 600--1000 m.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Spiraea ussuriensis Pojarkova.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA