- Sagittate leaf of Convolvulus.
In the latter case the leaf usually becomes oval, ovate or even cordate or sagittate, but these forms are found in sessile leaves also (Olyra, Panicum).
When the lobes are prolonged downwards and are acute, the leaf is sagittate (fig.
The first leaves produced by the young plant are linear,the second are sagittate and hastate, the third are rounded-cordate and the next are orbicular.
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