Pulverulent

Primula pulverulenta Bartley hybrids
Horsetail, Equisetum hyemale
Persicaria microcephala 'Red Dragon'
Dryopteris filix-mas ...

John has used Eucalyptus pulverulenta, the silver leafed heart gum, which has a lovely separation of the leaves and gorgeous red colour on the stem and leaves.

Camphor tree (Cinnamomum camphora; tree)
Eucalyptus (Eucalyptus pulverulenta; tree)
Bay laurel (Laurus nobilis; tree)
Common myrtle (Myrtus communis; large shrub)
Rosemary (Rosmarinus officinalis; shrub) ...

See also: Flower, Branch, Plant, Leaf, Foliage