Helianthella microcephala, common name purpledisk helianthella,[2] 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.[3][4]
| Helianthella microcephala | |
|---|---|
| |
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 | |
| Synonyms[1] | |
| |
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.[5]
References
edit- ^ The Plant List, Helianthella microcephala (A.Gray) A. Gray
- ^ USDA, NRCS (n.d.). "Helianthella microcephala". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. 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
edit
Media related to Helianthella microcephala at Wikimedia Commons
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