Ninebark
Scientific name: Physocarpus opulifolius (L.) Maxim.
Diagnostic features Stems to 2(3)m, erect to arching. Leaves broadly ovate, with 3-5 serrate lobes, ± glabrous. Flowers c.1m across. Fruit on long pedicels, erect, glabrous.
Chromosome number: (2n=18).
Habitat Introduced-naturalized; relic of cultivation in shrubberies, rough ground and by streams.
Distribution Central &North England and Scotland, Tyrone; East North America.
This species is keyed out on Page 2328: Spirea & Physocarpus in the Text Key.
Note Often confused with Holodiscus discolor, but has compact corymbs, not large spreading panicles. |