The "stem" is actually a central stalk consisting of giant, multinucleated cells.

Some had tried to bloom and now had a large hollow where the central stalk had been.

To prepare, tear leaves away from the tough central stalk, wash and chop or shred.

The head is attached to a central stalk, which ranges from 3 to 6 mm wide, though thinner toward the substrate.

The central or main stalk provides the first harvest.

It shot up a central stalk which branched and flowered.

The three families can be identified by looking at the central stalk of the leaf.

The alpha and beta subunits form a cylinder that is attached to the central stalk.

They were on the three central stalks.

They are very like bird feathers, with a central stalk, and vanes on either side.