NAZ Flora: A Photographic, Annotated Catalog of Northern Arizona Vascular Plants. Photo shows Lomatium foeniculaceum var. macdougalii (MacDougal's Biscuitroot). Click here to return to home page.

Helianthus annuus

Common Sunflower

A member of the Asteraceae, the Aster Family

Inflorescence of Helianthus annuus, Flagstaff, Arizona.

Inflorescence.

Flagstaff: Along Gemini Drive across from US Geological Survey campus,
at ca. 7100 feet elevation.

10 July 2002.

 

Disk of inflorescence of Helianthus annuus, Flagstaff, Arizona.

Detail of disk of inflorescence from prior image.

10 July 2002.

 

Habit of Helianthus annuus, Flagstaff, Arizona.

Habit and habitat, same location as prior images.

10 July 2002.

 

Foliage of immature Helianthus annuus, Flagstaff, Arizona.

Foliage of immature plant, with developing inflorescence buds.
Same location as prior images.

10 July 2002.

 

Inflorescence buds of Helianthus annuus, Flagstaff, Arizona.

Inflorescence buds.
Detail from prior image.

10 July 2002.


Photographs copyright © Lee Dittmann

This page created 13 February 2005; revised 6 July 2008.

Northern Arizona Flora
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