Fig. 5From: Identification among morphologically similar Argyreia (Convolvulaceae) based on leaf anatomy and phenetic analysesTransverse sections of midrib (a–f) and petiole (g–l). a, g A. breviscapa, b, h A. kerrii, c, i A. suddeeana, d, j A. variabilis, e, k Argyreia 1 and f, l Argyreia 2 (a adaxial curvature, ch chlorenchyma cell, cvo convex outline, sco slightly concave outline, se secretory cavity, vt vascular tissue). Scale bar 500 µmBack to article page