"A plant of the genus <i>Scutellaria</i>: so called from the helmet-like appendage to the upper lip of the calyx, which closes the mouth of the calyx after the fall of the corolla." &mdash;Whitney, 1889
<p>In the illustration, <i>a</i> represents the calyx. This illustration is of <i>Scutellaria serrata</i>, an herbaceous perennial mint.

Skullcap - Upper Part of the Flowering Stem

"A plant of the genus Scutellaria: so called from the helmet-like appendage to the upper lip of the…