It is always attached to a twig by its stem or the petiole. The margins, or edges, of the simple leaf can be smooth, jagged, lobed, or parted. Lobed leaves will have gaps between lobes but will ...

If so, this is the work of the maple petiole borer, Caulocampus acericaulis. This tiny insect lays its eggs at the base of the petiole and the larva tunnel up through the center of the petiole.

Here we describe a simple and effective petiole-feeding protocol to introduce aqueous solutions into the vascular stream and apoplast of dicotyledonous plants. This 'intravenous feeding' procedure ...

Prettiest dining space we’ve seen in a while? Café Petiole, a recently opened plant-forward cafe in London’s Somerset House, designed by London and Milan-based Duelle Studio. Working with eco ...