| Genus | Helenium |
|---|---|
| Species | chihuahuense |
| Authority | Bierner 1972 |
| Synonyms |
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Helenium chihuahuense is a North American perennial plant in the sunflower family. It has been found only in the state of Chihuahua in northwestern Mexico.[1][2]
Helenium chihuahuense is a branching annual herb up to 78 cm (31.2 inches) tall with thick rootstocks producing only one stem with a single flower head. The leaves are long, narrow and irregularly lobed. The head is spherical or egg-shaped, with many disc flowers, each yellow with purple tips. These are surrounded by about 14-15 yellow ray flowers.[1]
References
- ^ Bierner, Mark William. 1972. Sida 5(1): 45-47, as Helenium chihuahuensis, includes full-page line drawing on page 46
- ^ Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae (chapter 11: tribe Helenieae). Phytologia Memoirs 16: 1–100