adj. cotyledonal
The process of mature Somatic embryos could be divided into four periods, which are globular embryoid period, heart-shaped embryoid period, torpedo-shaped embryoid period and cotyledonary embryoid.
7通过研究沙地云杉体细胞胚胎发生过程中的显微结构特征,观察结果表明:沙地云杉体细胞胚胎起源于胚性愈伤组织的单个细胞。 体细胞胚胎的成熟过程大致可分为四个时期:球形胚时期、心形胚时期、鱼雷形胚时期,以及具有子叶的成熟胚时期。
参考来源 - 沙地云杉体细胞胚胎发生组织细胞学及光学显微结构的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
子叶的变异是遗传原因还是生理影响尚需进一步研究。
Whether the variations in cotyledons are caused by physiological or genetic factors must await more research.
夏大豆绿色豆荚的光合速率很低，而子叶的光合速率却较高。
The NPR of green pods was very small, and that of cotyledon higher.
在单子叶的水稻和双子叶的烟草之间该基因有很高的同源性。
It reserves a high homo- logy between rice, monocotyledonous plant and tobacco, dicotyledonous.
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