sentence: Stems provide a few major staple crops such as potato and taro.
sentences_before: There are thousands of species whose stems have economic uses.
sentences_after: Sugar cane stems are a major source of sugar. Maple sugar is got from trunks of maple trees. Vegetables from stems are asparagus, bamboo shoots, cactus pads, kohlrabi, and water chestnut. The spice, cinnamon is bark from a tree trunk.
concept_name: stem
headings: Plant stem Economic importance
categories: Plant anatomy