Helenium chihuahuense
| Helenium chihuahuense | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Embryophytes |
| Clade: | Tracheophytes |
| 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 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][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.[1]
References
- ^ a b c Bierner, Mark William. 1972. Sida 5(1): 45-47, as Helenium chihuahuensis, includes full-page line drawing on page 46
- ^ Tropicos, Helenium chihuahuense Bierner
- ^ 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
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