The sepals are narrow, acute, about half the length of the yellow petals, and fringed with stalked glands.
Caudal Appendages consist of very small and narrow plates, about half the length of the pedicels of the sixth cirrus, with a few long spines at their ends.
Caudal Appendages about half the length of the lower segments of the pedicels of the sixth cirrus; truncated and rounded at their ends; thickly clothed with long excessively fine bristles, so as to resemble camel-hair pencils.
The first glume is the shortest, equal to about half the length of the third, membranous, 3- to 5-nerved.
The first glume is suborbicular, about half the length of the third glume, usually 3-nerved.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "about half the length" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.