华北珍珠梅 Sorbaria kirilowii

  • Scientific Name: Sorbaria kirilowii (Regel) Maxim.
  • Ref: Trudy Imp. S.-Peterburgsk. Bot. Sada. 6:225. 1879
  • Synonym: Spiraea kirilowii Regel
  • English Common Name: giant false spiraea
  • Chinese Common Name: 华北珍珠梅
  • Japanese Common Name: ニワナナカマド [庭七竃] niwananakamado
  • Family: Rosaceae
  • Genus: Sorbaria
  • Distribution: Slopes in open mixed forests; 200–1300 m. Gansu, Hebei, Henan, Nei Mongol, Qinghai, Shaanxi, Shandong, Shanxi.
  • Photo: 07/14/2009, Mt. Taibai, Qinling
Shrubs to 3 m tall. Branches erect; branchlets glabrous; buds red-brown. Stipules linear-lanceolate, 8–15 mm, glabrous or subglabrous, apex obtuse or acute. Leaflets 13–21, lanceolate to oblong-lanceolate, 4–7 × 1.5–2 cm, glabrous on both surfaces or abaxially pubescent in vein axils, lateral veins in 15–23 pairs, reticulate veins conspicuous, base cuneate to rounded, apex acuminate or caudate. Panicle dense, 7–11 × 5–20 cm; peduncle and pedicels glabrous; bracts lanceolate, 2–5 mm, glabrous, apex acuminate. Flowers 5–7 mm in diam.; pedicel 3–4 mm. Hypanthium shallowly cupular, glabrous on both surfaces. Sepals persistent and reflexed (rarely spreading) in fruit, ovate to oblong, glabrous, apex obtuse. Petals white, obovate or broadly ovate, 4–5 mm. Stamens ca. 20, slightly shorter than or equaling petals. Style lateral. Follicles cylindric, ca. 3 mm; fruiting pedicel erect. Fl. Jun–Jul, fr. Sep–Oct. (Flora of China)

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