Answer: A suggestion is Nandina (Heavenly Bamboo). This shrub isn't really related to bamboo, but the upright stems have joints, similar to those of bamboo. The foliage is medium-green, changing to orange with reddish hues during the winter months. It's a broadleaf evergreen and does produce flowers (rather insignificant) and sometimes small berries, but is quite well behaved and a good choice for near ponds and pools.
If you'd rather have an upright conifer-type plant, a dwarf Italian Cypress would fit the situation you describe.
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