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Abstract
Male and female colonies are of equal frequency and of equal size in S. sericeus in New Zealand. This sex ratio is consistent with counts in other dioecious grasses including S. sericeus in Australia. Dioecism, its evolution and the a~sociated selection pressures, is discussed. Androdioecism which is described for several species S. considered relative to the strict dioecism of S. sericeus in New Zealand.
Dedicated to Dr E. J. Godley, Director, Botany Division, DSIR 1958-1980 and founder of the New Zealand Journal of Botany, on the occasion of his 65th birthday.
Dedicated to Dr E. J. Godley, Director, Botany Division, DSIR 1958-1980 and founder of the New Zealand Journal of Botany, on the occasion of his 65th birthday.
Notes
Dedicated to Dr E. J. Godley, Director, Botany Division, DSIR 1958-1980 and founder of the New Zealand Journal of Botany, on the occasion of his 65th birthday.
