... petals as regards number, the flower is dzplostemonous (Em-Mag, double); if more than double, polystemonous (2011);, many). ... In certain cases, as in Primula, the row of stamens is opposite to the petals forming the gamopetalous corolla.
|Title||:||A Manual of Botany ... Second edition|
|Author||:||John Hutton Balfour|