Commelina communis (common name iris)
Don't forget me (Limonium sinense)
Morning glory (pink, pink purple and blue)
violet
The root of platycodon grandiflorum
Hyacinthus orientalis (Sky Blue Grape hyacinthus orientalis)
Blue tulip
Blue impatiens
clover
Lu Shengdan
Malan (spring flowers, blue flowers, 1-3 peanuts at the top of the flower stem. )
Blue Catharanthus roseus (blue pearls, blue flowers, white eyes. )
Corydalis tricolor (sky blue is blue). )
Bai Ying (flowers are blue or white)
Vitex negundo
Chinese wistaria
Tongquancao
Arnebia euchroma
light purple
Meconopsis (blue or purple flowers, single petals or racemes, terminal, yellow or light blue petals)
Fever-reducing Changshan
Commelina purpurea
Grass blue (also known as silver plum grass)
Sink vanilla
Blue-edged hydrangea (dark blue with blue or white flowers on the edge)
Tudinggui
Colored leaf grass
chicory
British red (so called because the seeds are red)
Hedyotis diffusa (different from Commelina communis)
Iris minor in China
etc ......