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FOC | Family List | FOC Vol. 9 | Rosaceae | Sorbaria

1. Sorbaria sorbifolia (Linnaeus) A. Braun in Ascherson, Fl. Brandenburg. 1: 177. 1860.

珍珠梅 zhen zhu mei

Shrubs to 2 m tall. Branches erect; branchlets glabrous or slightly pubescent; buds purple-brown, ovoid. Stipules ovate-lanceolate to triangular-lanceolate, 8–13 mm, abaxially slightly pubescent, apex acuminate. Leaflets 11–17, opposite, lanceolate to ovate-lanceolate, 5–7 × 1.8–2.5 cm, glabrous or subglabrous on both surfaces or abaxially densely stellate hairy, lateral veins in 12–16 pairs, base subrounded to broadly cuneate, rarely slightly oblique, apex acuminate or caudate. Panicle 10–12 × 5–12 cm; peduncle and pedicels more or less pubescent and stellate hairy; bracts ovate to linear-lanceolate, 5–10 mm, slightly pubescent on both surfaces, later glabrescent, apex acuminate. Flowers 10–12 mm in diam.; pedicel 5–8 mm. Hypanthium pubescent abaxially at base. Sepals persistent and reflexed (rarely spreading) in fruit, triangular, abaxially sparsely pubescent, apex obtuse or acute. Petals oblong or obovate, 5–7 mm. Stamens 40–50, 1.5–2 × as long as petals. Style terminal. Follicles cylindric, ca. 3 mm, glabrous; fruiting pedicel erect. Fl. Jul–Aug, fr. Sep.

Open forests; 200--1500 m. Heilongjiang, Jilin, Liaoning, Nei Mongol [Japan, Korea, Mongolia].

1 Leaflets abaxially glabrous or subglabrous.   1a var. sorbifolia
+ Leaflets abaxially densely stellate hairy.   1b var. stellipila

Lower Taxa


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