Vascular Plants of the Gila Wilderness
Presented in Association with the
Western New Mexico University Department
of Natural Sciences
Thelesperma megapotamicum (Sprengel) Kuntze
(Rio Grande Greenthread, Navajo Tea, Hopi Tea)
Family: Asteraceae
Status: Native
Synonyms:
Bidens megapotamicum Sprengel
Thelesperma gracile (Torrey) Gray
Thelesperma megapotamicum is common along sidewalks and disturbed areas. It is a slender
perennial with dissected linear leaves with linear segments. It gives the initial impression of
having no leaves at all until examined more closely. The yellow flowers are all discoid or have minute
rays.
Please click on an image for a larger file.
Thelesperma megapotamicum, photo Russ Kleinman, Burro Mtns., US 180N near Mangus, May 23, 2007
Thelesperma megapotamicum, closeup of inflorescence, photo Russ Kleinman, Burro Mtns., US 180N near Mangus, May 23, 2007
Thelesperma megapotamicum, closeup of inflorescence, photo Russ Kleinman, Silver City, Scott Park, May 20, 2009
Thelesperma megapotamicum, macro of awned and alien looking achene, photo Russ Kleinman, Silver City, Scott Park, May 20, 2009
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