Definition of polyantha in US English:

polyantha

noun

  • More fully "polyantha rose". Any of a group of hybrids of Rosa multiflora (originally with R. chinensis or R.× odorata, later also with hybrid tea roses), bearing small flowers in clusters.

Origin

Late 19th century; earliest use found in The Century Illustrated Monthly Magazine. From scientific Latin polyantha, former specific epithet of Rosa multiflora from poly- + ancient Greek ἄνθος flower + scientific Latin -a.

Pronunciation

polyantha

/ˌpɒlɪˈanθə/