genus of a closed surface

例句：

1. 1. Thegenus of the plant is called "Acacia".
   这种植物的属名为“刺槐”。
2. 2. The scientists have discovered anew species of dinosaur.
   科学家们发现了一种新的恐龙物种。
3. 3. The type of theflower is red and white.
   这种花的颜色是红色和白色。