Sago climbing habit; the leaves are pinnate. Each palm trunk produces a single inflorescence at its tip at the end of its life. Sago palms are harvested at the age of 7–15 years, just before or shortly after the inflorescence appears and when the stems are full of starch stored for use in reproduction. One palm can yield 150–300 kg of starch. Sago is extracted from "Metroxylon" palms by splitting the stem lengthwise and removing the pith which is then crushed and kneaded to release the starch before being washed and strained to extract the starch from the fibrous residue. The
Sago pink, yellow, green, etc. When soaked and cooked, both become much larger, translucent, soft and spongy. Both are widely used in Indian, Bangladeshi and Sri Lankan cuisine in a variety of dishes and around the world, usually in puddings. In India, it is used in a variety of dishes such as desserts boiled with sweetened milk on occasion of religious fasts. In India, "Tapioca Sago" is considered an acceptable form of nutrition during periods of fasts for religious purposes or for infants or ill persons. In the UK, both sago and tapioca have long been used in sweet milk puddings.