Its scientific name was derived from two ancient Greek words, "leukos," meaning "bright," and "neura," meaning "nerve." Euphorbia leuconeura is a flowering plant that comes from the Euphorbiaceae or also called as succulent spurge family. 2. Allow the cutting to dry for at least two to three days. Snake Plants are fond of well-draining soils. Soil should be completely dry before watering. Snake Plants are different than most plants. They exchange carbon dioxide and oxygen only at night to prevent water vapor from escaping. As the plant age, its leaves become darker.