Are Mertensia and Centranthus types of flowering plants?
Mertensia Mertensia is a genus of flowering plants in the family Boraginaceae. They are perennial herbaceous plants with blue or sometimes white flowers that open from pink-tinged buds. Such a change in flower color is common in Boraginaceae and is caused by an increase of pH in the flower tissue. "Mertensia" is one of several plants that are commonly called "bluebell". In spite of their common name, the flowers are usually salverform (trumpet-shaped) rather than campanulate (bell-shaped).
Sphaeranthus indicus Sphaeranthus indicus is a flowering plant of the genus "Sphaeranthus". It is distributed throughout India and has been studied for its potential health-promoting properties, primarily as an anti-inflammatory. Sphaeranthus indicus Linn. (Asteraceae) is widely used in "Ayurvedic" system of medicine in various conditions like epilepsy, mental illness, hemicrania, jaundice, hepatopathy, diabetes, leprosy, fever, pectoralgia, cough, gastropathy, hernia, hemorrhoids, helminthiasis, dyspepsia and skin diseases. In different parts of India "Sphaeranthus indicus" is known by different common names as below.