An Ocampan prayer taper was a special kind of Ocampan candle.
Kes kept some Ocampan prayer tapers in her quarters. (VOY: "Parturition")
When Tuvok and Neelix were merged into one being, Tuvix, Kes lit two of the candles in her quarters in memory of Tuvok and Neelix. (VOY: "Tuvix")
Kes kept those two used candles in her quarters for the duration of her stay aboard USS Voyager. (VOY: "Warlord", "The Gift")