Verbena halei

Verbena halei, commonly known as Texas vervain, Texas verbena, or slender verbena, is a flowering plant in the vervain family, Verbenaceae.^[2][3] It is native to much of the southern United States and Mexico. Scattered populations have been found along the east coast (North Carolina), and its range stretches south to Florida, west to Arizona, and throughout most of Mexico.^[1][2][4] It is a perennial shrub and grows in thickets and woodland borders. Flowers bloom March to June.^[5] It has been introduced to Australia, in Queensland, New South Wales, Victoria, and South Australia.^[1][6]

Verbena halei
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Lamiales
Family:	Verbenaceae
Genus:	Verbena
Species:	V. halei
Binomial name
Verbena halei Small
Synonyms[1]
Verbena gaudichaudii (Briq.) P.W.Michael Verbena leucanthemifolia Greene Verbena officinalis var. gaudichaudii Briq. Verbena officinalis var. halei (Small) Munir Verbena officinalis var. hirsuta Torr. Verbena officinalis f. roseiflora Benkr

It was first formally named by American botanist John Kunkel Small in 1898.^[7] It is sometimes considered a subspecies or variety of Verbena officinalis.^[6]