Liatris aestivalis
Encyclopedia
Liatris aestivalis, also known as the Summer gayfeather, is a plant species in the aster family Asteraceae
and genus Liatris
. It is native to Oklahoma and Texas in the United States
, where it is found in habitats that range from limestone outcrops to slopes and bases of slopes with shallow soils.
It grows from rounded corms that produce hairless stems 20 to 65 centimeters tall. Plants have dark-purple colored flowers in dense heads that are closely grouped together, forming a cylindrical-shaped spike-like collection surrounding the stems. The basal and caulines leaves have one nerve and are linear to linear-lanceolate in shape. It flowers in July and August, sometimes into September. The seed are produced in cypselae fruits that are 4.5 to 6 millimeters long with feathery bristle-like pappi.
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...
and genus Liatris
Liatris
Liatris is a genus of ornamental plants in the Asteraceae family, native to North America, Mexico, and the Bahamas. These plants are used as a popular summer flowers for bouquets.They are perennials, surviving the winter in the form of corms....
. It is native to Oklahoma and Texas in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
, where it is found in habitats that range from limestone outcrops to slopes and bases of slopes with shallow soils.
It grows from rounded corms that produce hairless stems 20 to 65 centimeters tall. Plants have dark-purple colored flowers in dense heads that are closely grouped together, forming a cylindrical-shaped spike-like collection surrounding the stems. The basal and caulines leaves have one nerve and are linear to linear-lanceolate in shape. It flowers in July and August, sometimes into September. The seed are produced in cypselae fruits that are 4.5 to 6 millimeters long with feathery bristle-like pappi.