Flowering plants 1020cm in height. Leaves 3-5cm long, broadly ovate. Flowers yellow-green, tepals 4-5mm long, narrowly obovate and shallowly bilobed, three to fifteen per raceme, mid to late summer. Eastern and western Canada south to the mountains of California, in coniferous forest. L.c. subsp. yatabei, see L. yatabei.