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Helianthella microcephala

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Species of flowering plant

Helianthella microcephala
Conservation status

Vulnerable  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Helianthella
Species: H. microcephala
Binomial name
Helianthella microcephala
(A.Gray) A.Gray 1883
Synonyms
  • Encelia microcephala A.Gray 1873

Helianthella microcephala, common name purpledisk helianthella, is a North American plant species in the family Asteraceae. It grows in the southwestern United States, in the states of Arizona, New Mexico, Colorado, and Utah.

Helianthella microcephala is a herbaceous plant up to 80 cm (31 in) tall. Leaves are up to 25 cm (9.8 in) long. The plant usually produces 3-15 yellow flower heads per stem, in a flat-topped array. Each head contains 5-13 yellow ray flowers surrounding numerous dark brown or dark purple (almost black) disc flowers.

References

  1. The Plant List, Helianthella microcephala (A.Gray) A. Gray
  2. NRCS. "Helianthella microcephala". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 20 July 2015.
  3. Biota of North America Program 2014 county distribution map
  4. SEINet, Southwestern Biodiversity, Arizona chapter includes photos, description, distribution map
  5. Flora of North America, Helianthella microcephala (A. Gray) A. Gray 1883

External links

Media related to Helianthella microcephala at Wikimedia Commons

Taxon identifiers
Helianthella microcephala
Encelia microcephala


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