Thymophylla pentachaeta
Encyclopedia
Thymophylla pentachaeta, also known as golden dyssodia or dogweed, is a perennial or subshrub in the Asteraceae
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...

 family. The species is native to the southwestern United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 and Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...



Four varieties are recognised:
  • T. pentachaeta var. belenidium
  • T. pentachaeta var. hartwegii
  • T. pentachaeta var. pentachaeta
  • T. pentachaeta var. puberula
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