''Thymophylla pentachaeta'', also known as fiveneedle pricklyleaf,
golden dyssodia or dogweed, is a perennial or subshrub in the family
Asteraceae
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...
. The species is native to the southwestern
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
and
Mexico
Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
.
Four varieties are recognised:
*''Thymophylla pentachaeta'' var. ''belenidium''
*''Thymophylla pentachaeta'' var. ''hartwegii''
*''Thymophylla pentachaeta'' var. ''pentachaeta''
*''Thymophylla pentachaeta'' var. ''puberula''
References
''Thymophylla pentachaeta''Flora of North America
University of Arizona
The University of Arizona (Arizona, U of A, UArizona, or UA) is a public land-grant research university in Tucson, Arizona. Founded in 1885 by the 13th Arizona Territorial Legislature, it was the first university in the Arizona Territory.
T ...
Pima County Cooperative Extension
Tageteae
{{Tageteae-stub