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Helianthella quinquenervis facts for kids

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Helianthella quinquenervis
Helianthella quinquenervis.jpg
Scientific classification
Kingdom:
(unranked):
(unranked):
(unranked):
Order:
Family:
Subfamily:
Asteroideae
Tribe:
Genus:
Helianthella
Species:
H. quinquenervis
Binomial name
Helianthella quinquenervis
(Hook.) A.Gray 1883
Synonyms
  • Helianthus quinquenervis Hook. 1847

Helianthella quinquenervis, fivenerve helianthella, is a North American plant species in the sunflower family. It grows in the mountains of the western United States and northern Mexico. This include the Rockies, the Black Hills, the ranges of the Great Basin, and the northern Sierra Madre, from Montana, Oregon, and South Dakota south as far as western Chihuahua and Coahuila.

Helianthella quinquenervis is a herbaceous plant up to 150 cm (4.9 ft) tall. Leaves are larger than those of most related species, up to 50 cm (20 in) long, each with 3 or 5 prominent veins running the length of the leaf. The plant usually produces only one yellow flower head per stem, nodding (hanging). Each head contains 8-21 bright yellow ray flowers surrounding numerous yellow disc flowers.

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