starflower
noun
star·flow·er ˈstär-ˌflau̇(-ə)r 
: any of several plants having star-shaped pentamerous flowers
especially : any of a genus (Trientalis, especially T. borealis) of perennial herbs of the primrose family
Example Sentences
Recent Examples on the Web Elderberry oil keeps your skin looking healthy, and starflower oil maintains a healthy skin metabolism. 
Grooming Playbook, The Salt Lake Tribune, 26 May 2022 Featuring a blend of brown algae, elderberry, and starflower oils, the Elemis Pro-Collagen Cleansing Balm is effective at dissolving makeup, but works to soften, tone, and restore elasticity in skin. Kiana Murden, Vogue, 22 Apr. 2022 Late spring is time for the white bells of salal, intermingled with uncurling fronds of new ferns, and one of my favorites: tiny starflowers, with their single pinkish-white, seven-pointed star shining from a cluster of deep green leaves. Brian J. Cantwell, The Seattle Times, 7 June 2017
Grooming Playbook, The Salt Lake Tribune, 26 May 2022 Featuring a blend of brown algae, elderberry, and starflower oils, the Elemis Pro-Collagen Cleansing Balm is effective at dissolving makeup, but works to soften, tone, and restore elasticity in skin. Kiana Murden, Vogue, 22 Apr. 2022 Late spring is time for the white bells of salal, intermingled with uncurling fronds of new ferns, and one of my favorites: tiny starflowers, with their single pinkish-white, seven-pointed star shining from a cluster of deep green leaves. Brian J. Cantwell, The Seattle Times, 7 June 2017 Word History
First Known Use
1629, in the meaning defined above