The lower epidermis as shown by SEM.

Abstract

<p>(<b>A</b>) Lower epidermis of <i>O</i>. <i>glazioviana</i>, (<b>B</b>) magnifying epidermal stoma of <i>O</i>. <i>glazioviana</i>, (<b>C</b>) lower epidermis of <i>E</i>. <i>haichowensis</i>, and (<b>D</b>) magnifying epidermal stoma of <i>E</i>. <i>haichowensis</i>.</p