Grindelia havardii

Grindelia havardii, or Havard's gumweed,^[1] is a North American species of flowering plants in the family Asteraceae. It is native to the south-central United States, in the states of Texas and New Mexico.^[2][3]

Grindelia havardii
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Grindelia
Species:	G. havardii
Binomial name
Grindelia havardii Steyerm. 1934

Grindelia havardii grows in open, sunny sites on rocky slopes and in alluvial deposits. It is a perennial herb sometimes as much as 150 cm (5 feet) tall. The plant usually produces numerous flower heads in crowded, flat-topped arrays. Each head has 18-25 ray flowers, surrounding a large number of tiny disc flowers.^[4][5]