Helianthus

例句：

1. 1. The sunflower is a popular flower in the summer.
   向日葵是夏天流行的花卉。
2. 2.The helianthus flowers are in full bloom right now.
   向日葵现在正盛开。
3. 3.Helianthus plants are easy to grow and require minimal watering.
   向日葵植物容易种植，需要很少的水。