Cycas revoluta but will usually flush (or grow) several new leaves by spring. This plant has gained the Royal Horticultural Society's Award of Garden Merit (confirmed 2017). The pith contains edible starch, and is used for making sago. Before use, the starch must be carefully washed to leach out toxins contained in the pith. Extracting edible starch from the sago cycad requires special care due to the poisonous nature of cycads. Cycad sago is used for many of the same purposes as palm sago. Sago is extracted from the sago cycad by cutting the pith from the stem, root and seeds of
Sago Lane textile starch and hospital food. After processing, it was mostly re-exported to Europe and India. Sago became a staple export item for Singapore in 1834. In 1849, there were 15 Chinese and 2 European Sago factories in the area.Sago lane and Sago street became a prosperous manufacturing centre. During the 1850s, there were thirty sago factories in the town which had a total output of 8,000 tons annually. Many of the sago factories were in the Sago Street area. Sago lane in particular, was occupied by the Cantonese. Many of these factory workers lived in the area of these factories,