This base occurs with Stemonidine (q.v.) in Stemona ovata Nakai. It is laevo_x0002_rotatory with [α]16D - 113.84° and crystallizes as colourless prisms. It gives
crystalline salts such as the hydrochloride, m.p. 302°C (dec.) and is a secondary
base. With methyl iodide it forms methylstemonine methiodide, m.p. 276°C
(dec. ).