Helenium chihuahuense

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
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Tribe:
Helenieae
Genus:
Helenium
Species:
H. chihuahuense
Binomial name
Helenium chihuahuense
Bierner 1972
Synonyms[1][2]
  • Helenium chihuahuensis Bierner

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
  1. Bierner, Mark William. 1972. Sida 5(1): 45-47, as Helenium chihuahuensis, includes full-page line drawing on page 46
  2. Tropicos, Helenium chihuahuense Bierner
  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


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.