10 October 1958.
Michoacán de Ocampo, Mexico
Locality: About 3 km from San Juan del Rio, Cerro La Venta.
Elevation: 1950m.
Environment description: Weed of a maize field, in black stiff clay soil with frequent stones.
Comment: Flowers white with mauve acumens; berries opaque pale green-white.
Collector(s):