Physocarpus opulifolius
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P. opulifolius
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| Physocarpus opulifolius |
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Physocarpus opulifolius, common names common ninebark, ninebark[2] or Atlantic ninebark, is a species of flowering plant in the rose family Rosaceae, native to eastern North America.
Description
It is a mound-shaped deciduous shrub with alternate, simple leaves, on arching stems. It has a height from 3–10 ft (1–3 m) and a spread of 4–6 ft (1–2 m).[3] The leaves vary from 3–12 cm (1–5 in) in length, with palmately veined lobes.[4] It is fast-growing, insect- and disease-resistant, and drought-tolerant.[5] The species is adaptable to a very wide range of soil and site conditions, from moist to dry, acid to alkaline, and gravelly to heavy clay; and can grow in partial shade to full sun.[6] The 5-petaled flowers are 6–8 mm in diameter and form in corymbs.[6] The flowers are white to pinkish, and bloom from May to June in North America.[6] In Missouri the fruits ripen from August to early October and are small, dry pods hanging in drooping, papery clusters. The bark peels off in thin papery strips, resembling the number nine in shape, exposing brown inner bark which is the origin of the common name.[6]
Location
Physocarpus opulifolius is found in eastern North America on rocky hillsides and banks of streams[4] as well as in moist thickets, especially in counties south of the Missouri River.[3] There is also a scarcely distinguishable form in the Rocky Mountain region and the Pacific Northwest.[7] Its native range is from New York to Minnesota and South Dakota, south to Florida, Arkansas and Kansas. But it can be found from Quebec west to Minnesota, South Dakota and Colorado, south to Oklahoma to Georgia and north to New York.[6] The shrub is an escape, or a wild plant formerly cultivated, northeastward.[5]
Uses
The ability of P. opulifolius to grow in harsh conditions makes it especially suitable for erosion control on banks.[3] But it is also grown for its ornamental foliage. Numerous cultivars have been developed, of which 'Dart's Gold'[8] and 'Diabolo'[9] have gained the Royal Horticultural Society's Award of Garden Merit.
Notes
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- ↑ Physocarpus opulifolius Tropicos.org. Missouri Botanical Garden. 23 Jan 2012
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- ↑ 3.0 3.1 3.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 Guy Nesom, 2000. Atlantic ninebark: Physocarpus opulifolius (L.) Maxim., Plant Symbol = PHOP. USDA Plant Guide
- ↑ 5.0 5.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 6.0 6.1 6.2 6.3 6.4 Lua error in package.lua at line 80: module 'strict' not found.
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References
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