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Pulvinus present or absent

Pulvini are fleshy swellings on the petiole at its junction with the leaf blade. They are often associated with an angle or change in direction of the petiole. Swellings at the junction of the petiole and the twig are not regarded as pulvini.  In the case of compound leaves, swellings at the junction of the leaflet stalk and leaflet blade are regarded as pulvini.


L46 present L47 absent