The leaves of Pilocarpus pennatifolius Lem. and P. jaborandi Holmes contain this
alkaloid which is a colourless oily liquid. A number of salts and derivatives have
been prepared, e.g. the hydrochloride hemihydrate, m.p. 127°C or 159°C (dry);
hydrobromide, m.p. 147°C; nitrate, m.p. 159°C; aurichloride, m.p. 158-9°C;
platinichloride, m.p. 226-7°C; picrate, m.p. 161°C and the methiodide, m.p.
114°C.
