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.