Biology:Helianthus hirsutus

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Short description: Species of sunflower

Helianthus hirsutus
Hairy Sunflower (1020466042).jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Helianthus
Species:
H. hirsutus
Binomial name
Helianthus hirsutus
Raf. 1820
Synonyms[1]

Helianthus hirsutus is a North American species of sunflower known by the common name hairy sunflower. It is widespread across south-central Canada, the eastern and central United States, and northeastern Mexico. It ranges from Ontario south to Florida, Coahuila, and Nuevo León, and west as far as Minnesota, Nebraska, and Texas .[2]

Helianthus hirsutus is a perennial sometimes as much as 200 cm (almost 7 feet) tall, spreading by means of underground rhizomes. Leaves and stems are covered with stiff hairs. One plant can produce 1–7 flower heads, each with 10–15 yellow ray florets surrounding 40 or more yellow disc florets. The species grows in sunny locations in open forests or along the edges of forests.[3]

References

  1. "Helianthus hirsutus". The Global Compositae Checklist (GCC). http://www.theplantlist.org/tpl1.1/record/gcc-116183. 
  2. "Helianthus hirsutus", County-level distribution map from the North American Plant Atlas (NAPA) (Biota of North America Program (BONAP)), 2014, http://bonap.net/MapGallery/County/Helianthus%20hirsutus.png 
  3. Schilling, Edward E. (2006), "Helianthus hirsutus", in Flora of North America Editorial Committee, Flora of North America North of Mexico (FNA), 21, New York and Oxford, http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242416632 

External links

Wikidata ☰ Q12212023 entry