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any plant of the genus Physocarpus of the family Rosaceae (roserose,
common name for some members of the Rosaceae, a large family of herbs, shrubs, and trees distributed over most of the earth, and for plants of the genus Rosa, the true roses.
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 family). Ninebarks are North American (one is Asian) deciduous, hardy, spring-blooming shrubs, with thin bark which peels off in many layers. The most common American species is P. opulifolius, found along rocky streams E of the Rockies. Ninebarks are similar to the closely related spiraeas and are also cultivated as ornamentals. Ninebarks are classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Magnoliopsida, order Rosales, family Rosaceae.
References in periodicals archive ?
White viburnum, red and pink weigela's and a purple leaved physocarpus diablo.
Golden lamb's ears, golden Japanese forest grass (Hakonechloa macra 'Aureola')--just peeking out behind Heuchera 'Plum Pudding'--Phormium 'Yellow Wave', and Physocarpus opulifolius 'Dart's Gold' (at rear) carry out the yellow-gold theme.
It is also striking with any golden foliage shrub, especially Cotinus coggygria Golden Spirit, an unusual smoke bush with rounded golden leaves and copper plumes which pick up the colour of the physocarpus.
Best of the Bunch Physocarpus 'Little Devil' Be a little devil
AT a glittering award ceremony in London recently, the Garden Retail Award 2011 for Best New Plant went to Physocarpus opulifolius 'Little Devil' .
Perhaps one way to illustrate the important strides that have been made in providing gardeners with improved plants that offer increased interest in the garden, would be to look at the Eastern ninebark, Physocarpus opulifolius.
Another underrated shrub is Physocarpus opulifolius ' Diablo' with dark plum-purple leaves.
TAKING HARDWOOD CUTTINGS: There are lots of shrubs you can grow from hardwood cuttings including fruit bushes like blackcurrants, viburnum, physocarpus, willows and cornus.
Common name Scientific name N American elderberry Sambucus canadensis 15 American hazelnut Corylus americana 16 American plum Prunus americana 28 Black chokeberry Aronia melanocarpa 10 Buttonbush Cephalanthus occidentalis 27 Common Prunus virginiana 10 chokecherry Eastern redbud Cercis canadensis 15 Flowering dogwood Cornus florida 16 Gray dogwood Cornus racemosa 14 Ninebark Physocarpus opulifolius 10 Pawpaw Asimina triloba 20 Silky dogwood Cornus amomum 19 Washington Crataegus phaenopyrum 16 hawthorn
AADRIENNE SAYS: You are only breaking the law if you propagate and sell your own stocks of plants that are covered by plant breedersO rights such as physocarpus diablo (pictured).