Sago palm is a common name for several plants which are used to produce a starchy food known as sago. Sago palms may be 'true palms' in the family Arecaceae, or cycads with a palm like appearance. Sago produced from cycads must be detoxified before consumption. Plants called sago palm include: Sago palm is a common name for several plants which are used to produce a starchy food known as sago. Sago palms may be 'true palms' in the family Arecaceae, or cycads with a palm like appearance. Sago produced from cycads must be detoxified before consumption. Plants called sago palm include: