Leaf margins are finely serrate which give a look of a tooth, have a smooth upper surface but its lower surfaces are a bit prickly.
The Cerambycidae, or longhorn beetles, are recognizable by their slender, elongate feelers, which are never clubbed and rarely serrate.
The leaves of hemp have five to seven leaflets, the form of which is lanceolate-acuminate, with a serrate margin.
Most saw-fly larvae devour leaves, and the beautifully serrate processes of the ovipositor are well adapted for egg-laying in plant tissues.
They are as a rule of a very hardy character, thriving best in northern latitudes - the trees having round, slender branches, and serrate, deciduous leaves, with barren and fertile catkins on the same tree, and winged fruits, the so-called seeds.
