子叶

Its cotyledon node zone is telome elongation type.

向日葵幼苗的节区类型顶枝伸长型。

In addition .there occurred difference in the structure of cotyledonary haustrum and other storages.

此外在吸器的结构和其它贮藏等方面也存在差异。

Abstract : Orchidaceae is one of the largest families of monocot plants.

摘要 ： 兰科植植中最大的个科。

Relationships of some families of dicotyledons and genera of Papaveraceae viewed from the standpoints of their isoquinoline alkaloids.

从异喹啉生碱试论植些科与罂粟科些属的亲缘关系.

The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.

其异极3沟或6沟型花粉与真植的3沟花粉的相似是趋同演化的结果。

The large amount of PAO could be found in the cytoplasm of parenchyma in cotyledon and in the cell membranes and intercellular spaces of cortical parenchyma in phyllogen.

顶芽皮层薄壁组织细胞的细胞膜、细胞间隙和薄壁组织细胞的细胞质也有PAO的大量分布。

The results showed that the levels of arginine and arginase were the highest in cotyledons, which decreased slowly during plant development, followed by leaves and stems, with roots being the lowest.

结果表明，精氨酸含量和精氨酸酶活性中最高，且随幼苗生长发育逐渐下降，其次片和茎，根中最低。