Children (17 direct children, 20 direct and indirect children):
Chelone obliqua
(tree size 3)
Red turtlehead
Chelone glabra
White turtlehead
Chelone caeruleum
Chelone cuthbertii
Cuthbert's turtlehead
Chelone lyonii
Pink turtlehead
Chelone subg. nothochelone
Chelone hirsuta
Chelone penstemon
Chelone nemorosa
Chelone atropurpurea
Chelone barbata
Chelone campanulata
Chelone centranthifolia
Chelone gentianoides
Chelone imberbis
Chelone rosea
Chelone formosa