Helianthus_neglectus

<i>Helianthus neglectus</i>

Helianthus neglectus

Species of sunflower

Helianthus neglectus is a species of sunflower known by the common names neglected sunflower. It is native to the southwestern United States in southeastern New Mexico and West Texas.[1]

Quick Facts Helianthus neglectus, Conservation status ...

Helianthus neglectus grows on sand dunes and other sandy soil. This wildflower is an annual herb up to 200 cm (almost 7 ft) tall, growing from a thick, fleshy taproot. One plant produces one to five flower heads containing 21-31 yellow ray florets surrounding 150 or more red or purple disc florets.[2][3]

Helianthus neglectus hybridizes with several other species in the region: H. annuus, H. debilis, and H. petiolaris.[3]

References

  1. [1]
    Biota of North America Program 2014 county distribution map
  2. [2]
    Flora of North America Helianthus neglectus Heiser, 1958. Neglected sunflower
  3. [3]
    Heiser, Charles Bixler 1958. Rhodora 60(718): 275–279 description in Latin, commentary in English, full-page line drawing on page 276


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