What’s a dichotomous key?
Help
Gaillardia
See list of 2 species in this genus-
1a. Rays entirely yellow or yellow with a purple base; setae-like chaff evidently exceeding the mature cypsela bodies; plants perennial
-
1b. Rays entirely red-purple or red-purple with a yellow apex; setae-like chaff about equaling to shortly exceeding the mature cypsela bodies; plants annual to short-lived perennial
Show photos of:
Each photo represents one species in this genus.