Tracaulon

noun

Tra·​cau·​lon

trəˈkȯˌlän,

-lən

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

Word History

Etymology

New Latin, probably from trachy- + Greek kaulos stem, stalk

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