Helenium apterum is a North American perennial plant in the sunflower family. It has been found only in the state of Durango in northwestern Mexico.Tropicos, Hecubaea aptera S.F. Blake Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae (chapter 11: tribe Helenieae). Phytologia Memoirs 16: 1–100
Helenium apterum is a perennial herb up to 100 cm (40 inches) tall with thick rootstocks producing only one stem with a single flower head. Leaves at the base can be up to 30 cm (1 foot) long, the leaves higher on the stem much smaller. The head is about 4 cm (1.6 inches) across, with a hemispherical yellow disc surrounded by about 14 yellow ray flowers.Blake, Sydney Fay. 1924. Contributions from the United States National Herbarium 22(8): 649–650 as Hecubaea aptera
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