Consider the following statements regarding Artemisia annua:
1.It is a traditional Chinese medicinal plant commonly known as Qing Hao.
2.It is the natural source of artemisinin, widely used in the treatment of malaria.
3.The plant is native to temperate Asia and belongs to the Asteraceae family.
4.Artemisinin derived from this plant is ineffective against drug-resistant malaria strains.
Which of the statements given above are correct?