Solenostemon scutellarioides
European brooklime
Joseph's coat
Plumbago europaea
Symplocus paniculata
burbark
leadwort
painted nettle
trillium
Solenostemon blumei
sapphire berry
catananche
bottle gentian
blue fenugreek
joyweed
Gentiana andrewsii
bachelor's button
bluebottle
blind gentian
plant genus
tritonia
cornflower
Centaurea cyanus
closed gentian
periwinkle
balsam
Musales
order Musales
genus Ononis
trigoniaceous
genus Mitella
Linaria canadensis
genus Mucuna
genus Stizolobium
blue daze
Collinsia verna
Mitella
Stizolobium
blue toadflax
old-field toadflax
blue-eyed Mary
purplewort
selfheal
Ononis
Mertensia
Ipomoea purpurea
Busy Lizzie
Veronica chamaedrys
common morning glory
genus Mertensia