Authors: C. Stace, R. van der Meijden (ed.) & I. de Kort (ed.)
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Scientific name:

Physocarpus opulifolius

Vernacular name:

Ninebark


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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.

Physocarpus opulifolius (Ninebark)
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Ninebark
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