Sentence:  And a hint of still waters, a stream, a brook, a rivulet, meandering with flashes of brilliance through the lush dense greenery, among shadowy plants that might have been blackberries or <WSD>redcurrants</WSD>, although what <WSD>redcurrants</WSD> and blackberries might be Yoel had not the faintest notion, and even the names themselves he only knew from books. 
Meaning of the word marked with <WSD> tags:  A deciduous shrub, "Ribes rubrum", native to western Europe; any of certain cultivars of the shrub.