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The zebra mainly eats stiff stems of corns,leaves,and twigs
awn
In men's formal wear a stiff pleated collar is called a Imperial/Poke collar
Rigor mortis is dead stiff body, not really called posturing.
Membranes do not have a stiff outside. I suspect the answer you are looking for is the cell wall, which is a stiff structure found outside the cell membrane of a plant cell, but separate from it.
Cell wall
nuchal rigidity
yes because it turns stiff
Stiff bristle grass is commonly known as Setaria verticillata.
Adams Needle Adams Needle
Barley bristle is called Awn.