polygonum

po·lyg·o·num  (p-lg-nm)

n.

Any of numerous plants of the widely distributed genus Polygonum, characterized by stems with knotlike joints and conspicuous sheathlike stipules.

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[New Latin Polygonum, genus name, from Greek polugonon, knotgrass : polu-, poly- + gonu, knee; see genu-¹ in Indo-European roots.]

Thesaurus

Noun

1.

Polygonum - diverse genus of herbs or woody subshrubs of north temperate regions genus Polygonum dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination buckwheat family, family Polygonaceae, Polygonaceae - a family of plants of order Polygonales chiefly of the north temperate zone; includes the buckwheats China fleece vine, Polygonum aubertii, Russian vine, silver lace vine - twining perennial vine having racemes of fragrant greenish flowers; western China to Russia buckwheat, Fagopyrum esculentum, Polygonum fagopyrum - a member of the genus Fagopyrum; annual Asian plant with clusters of small pinkish white flowers and small edible triangular seeds which are used whole or ground into flour kiss-me-over-the-garden-gate, Polygonum orientale, prince's-feather, prince's-plume, princess feather - annual with broadly ovate leaves and slender drooping spikes of crimson flowers; southeastern Asia and Australia; naturalized in North America