叶柄的例句（叶柄在句子中的用法）

• A stalk connecting an ovule or a seed with the placenta. 珠柄与胚珠或含胎座的种子相接的叶柄.
• Among cotyledon , petiole of cotyledon, hypocotyl, and radicle, hypocotyl has the most responsive explants to 2, 4 - D . 在子叶 、 叶柄 、 胚轴以及胚根四者当中, 下胚轴对2, 4-D 的反应状况最好.
• North American fern with a blackish lustrous stipe. 带有光亮叶柄的一种北美蕨类.
• Whereas the most difference among quantity characters are lobule petiole length and beta coefficient is 70.03 %. 各数量性状亦存在较大变异,其中小叶柄长度变异较大,变异系数达70.03%.
• Establishment of Regeneration System from Leaves and Leafstalk of Spiraea prunifolia Sieb . et Zucc. 与叶绣线菊叶片和叶柄再生体系的建立>>相似的文献.
• Green or brown flexible petiole, variable internode length. Large trailer. 绿色或咖啡色的柔软叶柄, 节间距离易变. 大的悬垂型.
• Olive or petiole and cauline stalk are Brown. 叶柄及茎秆黄绿色或褐色.
• Young shoots, petioles, abaxial surface of leaves, inflorescence, calyces and pods densely tomentose. 嫩枝 、 叶柄 、 叶背 、 花序 、 花萼和荚果密被毡毛.