29); when more than two are produced they are verticillate, and the circle of leaves is then called a verticil or whorl.
By the suppression of the verticil of the stamens, or of the carpels, flowers become unisexual or diclinous, and by the suppression of one or both of the floral envelopes, monochlamydeous and achlamydeous flowers are produced.
- Diagram to illustrate induplicative or induplicate aestivation, in which the parts of the verticil are slightly turned inwards at the edges.
in a verticil, or at different heights in a spiral cycle.
There is evidence that in some, at least, of the Calamarieae the leaves of each verticil were united at the base to form a sheath.