Helianthella microcephala | |
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Conservation status | |
Vulnerable (NatureServe) | |
Scientific 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 | |
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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
- The Plant List, Helianthella microcephala (A.Gray) A. Gray
- NRCS. "Helianthella microcephala". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 20 July 2015.
- Biota of North America Program 2014 county distribution map
- SEINet, Southwestern Biodiversity, Arizona chapter includes photos, description, distribution map
- Flora of North America, Helianthella microcephala (A. Gray) A. Gray 1883
External links
Media related to Helianthella microcephala at Wikimedia Commons
Taxon identifiers | |
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Helianthella microcephala |
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Encelia microcephala |
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