bluebonnet
noun
blue·bon·net ˈblü-ˌbä-nət 
1
a
: a wide flat round cap of blue wool formerly worn in Scotland
b
: one that wears such a cap
specifically : scot
2
: either of two low-growing annual lupines (Lupinus subcarnosus or L. texensis) of Texas with silky foliage and blue flowers
Example Sentences
Recent Examples on the Web There's also a bluebonnet festival on March 26 in Natalia, just about a 30-minute drive Southwest of San Antonio. 
Malak Silmi, San Antonio Express-News, 10 Mar. 2022 Guests may even stumble upon fields of the Chisos bluebonnet, a unique Texas flower that can reach up to four feet in height. Stacey Leasca, Travel + Leisure, 5 Mar. 2022 The Lone Star State is home to some 2,700 different wildflower species, including the bluebonnet, Indian paintbrush, and pink evening primrose. Stacey Leasca, Travel + Leisure, 5 Mar. 2022 The bluebonnet, the state flower of Texas, is usually in peak bloom in early April. Graham Averill, Outside Online, 19 Feb. 2020 Located on the Colorado River, this Hill Country town is another prime bluebonnet destination. Anna Mazurek, Chron, 14 Feb. 2022 In 1928 Adrian made a splash in the art world by winning the huge $2,500 Edgar B. Davis Prize for his painting of Texas bluebonnet landscapes. Tom Dillard, Arkansas Online, 23 May 2021 Taking photos in a bluebonnet field off the highway. Abigail Rosenthal, Chron, 9 Dec. 2020 Red, white and blue bluebonnet transplants are available for planting in full sun from several retail nurseries at the present time. Calvin Finch, ExpressNews.com, 22 Oct. 2020 See More
Malak Silmi, San Antonio Express-News, 10 Mar. 2022 Guests may even stumble upon fields of the Chisos bluebonnet, a unique Texas flower that can reach up to four feet in height. Stacey Leasca, Travel + Leisure, 5 Mar. 2022 The Lone Star State is home to some 2,700 different wildflower species, including the bluebonnet, Indian paintbrush, and pink evening primrose. Stacey Leasca, Travel + Leisure, 5 Mar. 2022 The bluebonnet, the state flower of Texas, is usually in peak bloom in early April. Graham Averill, Outside Online, 19 Feb. 2020 Located on the Colorado River, this Hill Country town is another prime bluebonnet destination. Anna Mazurek, Chron, 14 Feb. 2022 In 1928 Adrian made a splash in the art world by winning the huge $2,500 Edgar B. Davis Prize for his painting of Texas bluebonnet landscapes. Tom Dillard, Arkansas Online, 23 May 2021 Taking photos in a bluebonnet field off the highway. Abigail Rosenthal, Chron, 9 Dec. 2020 Red, white and blue bluebonnet transplants are available for planting in full sun from several retail nurseries at the present time. Calvin Finch, ExpressNews.com, 22 Oct. 2020 See More Word History
First Known Use
1568, in the meaning defined at sense 1a