Definition of Tracaulon
in some classifications
: a genus of herbaceous vines (family Polygonaceae) occurring in North America and Asia, having prickly or bristly stems, prickly veined leaves mostly hastate or cordate at the base, racemose flowers, and angled fruits, and being commonly included in the genus Polygonum
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Origin and Etymology of tracaulon
New Latin, probably from trachy- + Greek kaulos stem, stalk
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