(In orchids) the adnate styles and stamens forming a solid central body;
The tube of connate anther filaments (e.g. in Malvaceae);
(In grasses) the lower twisted part of the awn.
A center structure in a flower formed by united stamens, or stamens united with style or stigma.
The adnate styles and stamens forming a solid central body in Orchidaceae or the tube of anther filaments in Malvaceae.
Pillarlike anatomical structure, especially the spinal column and brain structures in the embryo.
Any pillar-shaped structure, especially any of the tracts of gray matter found in the spinal cord.