维管组织经过叶枕进入叶柄.The vascular tissue passes through the pulvinus into the petiole proper.亮绿色椭圆型很薄的叶子, 长而有弹性的叶柄. 通常单个顶芽. 大型.Light green, elliptical, very thin, long flexible petiole. Usually single crown. Large.在茂密的叶柄端部开猩红色花的...
Staples such as bread, rice and tea are already being rationed.面包、大米和茶叶等日常必需品已实行配给。It's one of the globe's most important food staples , said plant geneticist Pamela Ronald.大米是全球最重要的主食之一,植物遗传学家潘梅拉·罗奈尔德如是说.Stapl...