Assertion: cattail's seed | /r/HasProperty | pressed for oil
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Source sentences:
text: can be at least partly explained by the wide range of uses that the plant used to have: young shoots and flowers were eaten as vegetables, the stout rootstock was ground and mixed with flour or boiled into a syrup, the seeds could be pressed for oil, the carpels’ soft fluff could be used as insulation or for stuffing pillows, the leaves and stems yield fibre, the leaves could seal the seams in wooden dishes, and the shoots made an excellent cattle fodder.