Cordilleran sunflower, Nuttall's sunflower, Sawtooth sunflower

Botanical Name Helianthus nuttallii
Common Name Cordilleran sunflower, Nuttall's sunflower, Sawtooth sunflower
Family Asteraceae - Aster
Description A native perennial. Smooth to rough stems grow erect. Leaves are egg-shaped to lance-shaped.
Mature Size 2'-10'.
Bloom August-Sept. The flowers always tilt toward the sun. They are 3-5" wide, having numerous yellow ray flowers and a reddish center of disk flowers.
Interesting Facts July-Sept. Yellow flowerheads are about 2" across and are at the end of long stalks. The heads are made up of individual yellow outer ray flowers that encircle the tightly packed central disk flowers. Only the disk flowers develop seeds.
Traditional and Medicinal Uses Sunflower plants were used for colds, stomach aches, fever reducer, wart remover, etc. The seeds were an important prehistoric food item. Seeds were boiled to obtain a dark dye.

Photo for SFBG by Janice Tucker

Santa Fe Botanical Garden
celebrates, cultivates and conserves
the rich botanical heritage and biodiversity of the region.