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Chestnut Bur of Another Type

There are usually only two or three chestnuts in a bur, but sometimes, as we have seen, the number may be increased to four or five. The hybrid chestnuts have been selected for prolific bearing, and their nuts are not only of very large size but are usually borne in large clusters. This picture shows the typical arrangement when there are three nuts in a bur. Compare with the preceding picture, with its large cluster.

Chestnut Bur of Another Type

This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 11 Chapter 4