callus

This callus may form upon any cut surface, or even where the bark has been abraded.

You can get the callus almost every time, but it is very difficult to secure the development of roots afterwards.

President Morris: How about getting callus by three months, we will say, in storage?

On January 11 the cambium ring at the lower end of the cuttings had begun to callus.

The butternut and black walnut hardly showed any callus at all after keeping the sphagnum wet as long as my men would do it.