307593.fig.003a
(a)
307593.fig.003b
(b)
307593.fig.003c
(c)
Figure 3: Leaf blade of Dyckia brevifolia Baker, as observed in light microscopy. (a) Frontal view of the abaxial surface, showing siliceous body (Sb) with rough surface. ((b) and (c)) Cross section showing abaxial surface. (b) General view showing trichome (Tr) in epidermis depression and stomata (St). (c) Detail showing the trichome formed by basal cells (Bc), stalk (Sk), and shield (Sh).