Question

Drug santonin (Anthelmintic) comes from
A) Centipeda
B) Artemisia
C) Tagetes
D) Chrysanthemum

Answer 1

Hint: It is a famous anthelmintic discovered 200 years ago. Again in 1830 the anthelmintic properties were discovered in santonin.

Complete Answer:
1) Centipeda, a genus of flowering plants comes under the daisy family, Asteraceae. It is primarily native to Australia and New Zealand, and few species extend the range northward into Asia and across the Pacific to southern America.
2) Artemisia is a large genus of plants with 200 to 400 species that belongs to the daisy family Asteraceae. The other Common names of these species include mugwort, wormwood, and sagebrush.
3) Tagetes is a genus of annual, perennial or mostly herbaceous in the sunflower family. It was described by Carl Linnaeus in 1753. It is native to south Mexico, but some species become naturalized along the world.
4) Chrysanthemum is sometimes called mums or chrysanths and are flowering plants of the genus Chrysanthemum comes under the family Asteraceae. These are native to East Asia or northeastern Europe. Many species originate from East Asia or in the center of diversity in China. Countless horticultural varieties and cultivars exist here.

Hence Option B: Artemisia is the correct answer.

Note: Most species of Artemisia have strong aromas and have bitter tastes from terpenoids and lactones, that discourage herbivory, and may have some advantages. The small flowers are pollinated by winds. Artemisia species and food plants by the larvae of a number of Lepidoptera species.