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.
Tamaulipa
The only known species is Tamaulipa azurea, is commonly known as blue boneset. The generic name refers to the State of Tamaulipas in northeastern Mexico, and to the Tamaulipan mezquital scrubland, which covers much of the state. The species also occurs in the extreme southern part of Texas (Hidalgo, Cameron, and Willacy Counties) in the United States. It is a climbing shrub or non-twining vine that grows to about and has bluish or blue lavender flowers.