Several leaves containing a petiole form at the base of the plant.

Its leaves contain a compound that causes a rash on human skin.

Testing later proved that the leaves of the plant contained some nicotine.

The entire plant is poisonous, but the leaves and seeds contain the most poison.

Even dried and powdered leaves contain the poison which can kill fish very quickly.

But the leaves also contain other pigments whose colors are masked during the growing season.

The leaves and seeds contain alkaloids which are probably toxic.

The leaves contain brown legions, and they may become watersoaked.

They are also known to eat charcoal to help combat the cyanide some leaves may contain.

If S contains only one point, return a leaf containing that point.