| Helenium apterum | |
|---|---|
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Helenium |
| Species: | H. apterum |
| Binomial name | |
| Helenium apterum (S.F.Blake) Bierner 1972 | |
| Synonyms | |
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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. 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 an 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.
References
- The Plant List, Helenium apterum (S.F.Blake) Bierner
- Bierner, Mark William. 1972. Sida 5(1): 47
- ^ Blake, Sydney Fay. 1924. Contributions from the United States National Herbarium 22(8): 649–650 as Hecubaea aptera
- Tropicos, Hecubaea aptera S.F. Blake
| Taxon identifiers | |
|---|---|
| Helenium apterum | |
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