Unlike higher plants, algae lack roots, stems, or leaves. Vegetative plant organs include roots, stems, and leaves. Both the stems and the leaves are finely hairy. It occurs chiefly in hypodermis of stems and leaves. The nutritional profile of coriander seeds is different from the fresh stems or leaves. These develop into above-ground stems and leaves. They are polyphagous and feed on leaves, shoots, flowers, fruit, seeds, stems and bark. Primary growth is the elongation of the stems and roots. Raspberries are perennial with woody stems. The rhytidome is especially well developed in older stems and roots of trees. The cortex is the primary tissue of stems and roots. The entire fruit minus the stems and seeds can be used. Plants have "thin, slightly fibrous stems" with little branching. It consists of shrubs that have perennial areal woody stems. They are perennial subshrubs with woody stems.