Damask rose petals have, on the inner surface, small glands that emit odors. Hydrolyzate or rose water is a by-product of aqueous distillation of a Damask rose, in which water-soluble aromatic substances of the plant are present.
Lemon verbena is a tall leafy bush with lanceolate and fragrant leaves and small, white or pink flowers. Essential oil is obtained by steam distillation of leaves. Lemon verbena is spread over South America, and, since the 18th century, it is known in Europe as an ornamental and medicinal plant. Some people also prepare tea from its leaves and parts of stem.
Pine hydrolyte is produced by steam distillation of pine needles and cones of black pine (Pinus nigra), red pine (Pinus sylvestris), and coastal pine (Pinus pinaster).
Sambucus nigra is a shrub that grows up to 6m high. Up to 30 cm wide trunk has a deep, crested bark. It grows in warmer parts of Europe and North America, with regional varieties or sub-species, and as a group of individual similar species.