1. (noun) orchid having a raceme of large greenish-white flowers on a single flower stalk growing between two elliptic or round basal leaves lying on the ground; from northern Oregon and Montana across Canada to the eastern United States

• round-leaved rein orchid

1. (noun) orchid having a raceme of large greenish-white flowers on a single flower stalk growing between two elliptic or round basal leaves lying on the ground; from northern Oregon and Montana across Canada to the eastern United States

• rein orchid
• rein orchis