Classified by natural products and utilization they can be divided into 6 types: medicinal plants, oil plants, fibre plants, colophony and balata plants, perfume plants and amylum plants.
按其产物和用途可分为6类：药用植物、油料植物、纤维植物、树脂和树胶植物、芳香油植物以及淀粉植物等。
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They were used as confetti at celebrations, for medicinal purposes, and as a source of perfume.