# Helenium chihuahuense

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Species of flowering plant

Helenium chihuahuense Scientific classification Kingdom: Plantae Clade: Embryophytes Clade: Tracheophytes Clade: Spermatophytes Clade: Angiosperms Clade: Eudicots Clade: Asterids Order: Asterales Family: Asteraceae Genus: Helenium Species: H. chihuahuense Binomial name Helenium chihuahuense Bierner 1972 Synonyms[1][2] Helenium chihuahuensis Bierner

***Helenium chihuahuense*** is a North American [perennial plant](/source/Perennial_plant) in the [sunflower family](/source/Asteraceae). It has been found only in the state of [Chihuahua](/source/Chihuahua_(state)) in northwestern Mexico.[1][3]

*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](/source/Ray_flowers).[1]

## References

1. ^ [***a***](#cite_ref-s_1-0) [***b***](#cite_ref-s_1-1) [***c***](#cite_ref-s_1-2) [Bierner, Mark William. 1972. Sida 5(1): 45-47](https://www.biodiversitylibrary.org/page/10008602#page/51/mode/1up), as *Helenium chihuahuensis*, includes full-page line drawing on page 46

1. **[^](#cite_ref-2)** [Tropicos, *Helenium chihuahuense* Bierner](http://www.tropicos.org/Name/50190890)

1. **[^](#cite_ref-3)** Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae (chapter 11: tribe Helenieae). Phytologia Memoirs 16: 1–100

## External links

- [Photo of herbarium specimen at Missouri Botanical Garden, collected in Chihuahua in 1936, isotype of *Helenium chihuahuense*](http://www.tropicos.org/Image/36023)

Taxon identifiers Helenium chihuahuensis Wikidata: Q15558813 CoL: 3K4JR EoL: 6192892 GBIF: 5401835 iNaturalist: 288555 IPNI: 211777-1 Open Tree of Life: 7604626 Plant List: gcc-129676 POWO: urn:lsid:ipni.org:names:118716-2 WFO: wfo-0000030694

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