noun, plural ra·chil·lae [ruh-kil-ee] /rəˈkɪl i/. Botany.
Origin of rachilla
Examples from the Web for rachilla
The small piece of axis (a) left attached to each segment is the rachilla R.
The rachilla is produced behind the palea and it ends in two small teeth, one being slightly larger than the other.
The absence of awn, rachilla, and basal hairs distinguishes Agrostis from Aira.
It is attached to the axis of the flower and its back is towards the rachilla.
Palea very similar to A. fatua, apex 2-4-toothed or bifid, rachilla with stiffer hairs.