The common name is apt, for the flower does indeed resemble the protruding head of a turtle.

1. Corolla white or greenish yellow, rarely slightly pink tinged apically; staminodium greenish; sepals obscurely if at all ciliate; leaf blades (3.7–) 4.5–15 times as long as broad.

C. glabra

1. Corolla pink-purple throughout; staminodium white; sepals finely and closely (though minutely) ciliate; leaf blades ca. 2–5 times as long as broad.

2. Main stem leaves gradually tapering to a petiole 0.5–1.5 cm long, the largest blades 3–4.5 cm wide.

C. obliqua

2. Main stem leaves contracted to a petiole 1.5–3 cm long, the largest blades 4–8 cm wide.

C. lyonii

All species found in Chelone

Chelone glabraTURTLEHEAD 
Chelone lyoniiRED TURTLEHEAD 
Chelone obliquaPINK TURTLEHEAD 


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. March 19, 2018.