Tansy Aster
Machaeranthera tanacetifolia

   
 

Fig. 1. Overview of Tansy Aster (Machaeranthera tanacetifolia), Brewster Co. TX. Fig 2. Closeup of flower and foliage, Monahans Sand Hills State Park, Monahans, Ward Co., Tx. Photographs by Wynn Anderson.

• Common English Names: Tansy Aster
• Common Spanish Names:
• Scientific Name: Machaeranthera tanacetifolia (ma-key-ran-THAIR-uh tan-uh-see-tih-FOL-lee-uh)
• Family: Asteraceae (Sunflower Family)
• Geographic Range:
Most of western U.S. and Great Plains except the Pacific Northwest; northern Mexico.
• Plant Form:
Annual or biennial forb.
• Remarks: Abundant lavender flowers, spring to fall.

Last Update: 10 Apr 2006