Bluebonnet (plant)
Bluebonnet is a name given to any number of blue-flowered species of the genus "Lupinus" predominantly found in southwestern United States and is collectively the state flower of Texas. The shape of the petals on the flower resembles the bonnet worn by pioneer women to shield them from the sun.
Species often called bluebonnets include:On March 7, 1901, "Lupinus subcarnosus" became the only species of bluebonnet recognized as the state flower of Texas; however, "Lupinus texensis" emerged as the favorite of most Texans. So, in 1971, the Texas Legislature made any similar species of "Lupinus" that could be found in Texas the state flower.
Floral emblem
In 1986 President Ronald Reagan signed legislation to make the rose the floral emblem of the United States. In the United States, state flowers and trees have been adopted as symbols by state legislatures.