图5. 浸润前后黑沙蒿和北沙柳叶片横切面荧光示踪。A, E, 浸润前黑沙蒿和北沙柳叶片横切面荧光示踪。B, F, 浸润后黑沙蒿和北沙柳叶片横切面荧光示踪。C, G, 浸润前黑沙蒿和北沙柳小枝横截面荧光示踪。D, H, 浸润后黑沙蒿和北沙柳小枝横切面荧光示踪。Ca, 厚角组织; Ct, 角质层; Pc, 栅栏组织; Ph, 韧皮部; Pi, 髓; Sc, 海绵组织; Vb, 维管束; Xl, 木质部。

Fig. 5. Cross-sections of leaf and twig of Artemisia ordosica and Salix psammophila in fluorescent tracing before and after immersion. A, E, Cross-sections of the leaf of A. ordosica and S. psammophila before immersion. B, F, Cross-sections of the leaf of A. ordosica and S. psammophila after immersion. C, G, Cross-sections of the twig of A. ordosica and S. psammophila before immersion. D, H, Cross-sections of the twig of A. ordosica and S. psammophila after immersion. Ca, collenchyma; Ct, cuticles; Pc, palisade cells; Ph, phloem; Pi, pith; Sc, spongy mesophyll; Vb, vascular bundle; Xl, xylem.