Dense blazing star
Family – Asteraceae, aster family
Genus, species – Liatris spicata
Long grass-like leaves are clumped at base of plant.
Flowers are pink, purple, or white, arranged on a tall dense spike. Petals are tube-shaped. Flowers bloom sequentially from the top to the bottom of the spike.
Requires full sun. Grows in meadows, prairies. Also cultivated.
Liatris is from the Greek for "smooth" or "bald" and spicata is from the Latin for "spiked," referring to the elongated inflorescence of flowers.