Why are the small flowers of Gentiana macrophylla blue and purple (Gentiana macrophylla purple color)?

1. Why are the florets of Gentiana scabra blue and purple?

2. Why are gentian flowers blue and purple?

3. Why are most gentian flowers blue and purple?

4. Why is the little blue flower of Gentiana blue?

1. The floret of Gentiana scabra is blue-purple, because it grows at high altitude, where ultraviolet rays are strong, and plants need to accumulate anthocyanins in flowers, so as to resist ultraviolet rays well and produce blue-purple florets.

Even the same plant has different colors at different altitudes. The higher the altitude, the darker the color of the flowers will be.

3. At an altitude of 4500-5000m, the plant flowers are dark purple, close to black.