| 1. | For amorpha fruticosa linn . , there exists epidermal hair on the upper epidermis , some macro ventilating pit in the spongy tissue , many crystal cells in the phloem of the leaf and around vascular bundles 紫穗槐叶的上表皮有表皮毛,海绵组织局部有大型通气孔,在叶的主脉韧皮部处和叶柄维管束内外都含有许多含晶细胞。 |