Coniferous trees such as black spruce, white spruce, and balsam fir dominate the native vegetation. Trees most at risk are those growing with balsam fir and white spruce. Other substances added include myrrh, cinnamon, and balsam gum. Holy chrism is a mixture of olive oil and balsam, an aromatic resin. It is a kind of native balsam, or resin, resembling turpentine. Its odor is described as deep, sweet, woody, smoky, earthy, amber and balsam. Wilting occurs in plants such as balsam and holy basil. The bitter melon/balsam apple/balsam pear is also sometimes referred to as a gourd. Many flavorings and perfumes contain components identical to Balsam of Peru. It is usually translated as "spice, perfume, sweet odour, balsam, balsam-tree". Many perfumes contain components identical to balsam of Peru. It has many names, including liquid amber or copalm balsam. A national liquor is Riga Black Balsam. An essential oil is distilled from the balsam. Allergy to Balsam of Peru can manifest as cheilitis.