''Pterocaulon virgatum'', common name wand blackroot, is a plant species widespread in

Latin America Latin America or * french: Amérique Latine, link=no * ht, Amerik Latin, link=no * pt, América Latina, link=no, name=a, sometimes referred to as LatAm is a large cultural region in the Americas where Romance languages — languages derived f ...

and in the

West Indies The West Indies is a subregion of North America, surrounded by the North Atlantic Ocean and the Caribbean Sea that includes 13 independent island countries and 18 dependencies and other territories in three major archipelagos: the Greater A ...

. In the contiguous United States, it has been reported only from

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

and

Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is borde ...

. It grows in marshy areas, ditches, sandy loam, etc.Flora of North America v 19 p 477
''Pterocaulon virgatum'' is a perennial herb up to 150 cm (60 inches) tall. Leaves are alternate, narrowly linear, green above, white with dense woolly hairs below. Flower heads are arranged in spikes at the ends of branches. There are no ray flowers, only 25-50 yellow disc flowers per head.

Historical uses

According to

James Mooney James Mooney (February 10, 1861 – December 22, 1921) was an American ethnographer who lived for several years among the Cherokee. Known as "The Indian Man", he conducted major studies of Southeastern Indians, as well as of tribes on the Gr ...

, the Cherokee Indians made use of the plant in their sweat baths for various diseases and it was considered one of their most valuable medicinal plants., s.v. Selected List of Plants Used (''Gnaphalium decurrens'')

References

virgatum Flora of Texas Flora of Louisiana Flora of Mexico Flora of the Caribbean Flora of Central America Flora of Southern America {{Inuleae-stub