ros·in·weed (r z  n-w d )n. Any of several North American plants of the genera Grindelia or Silphium, especially the compass plant, the cup plant, and the gum plant, having a resinous juice. |
rosinweed [ˈrɒzɪnˌwiːd]
n
(Life Sciences & Allied Applications / Plants) any of several North American plants of the genus Silphium and related genera, esp the compass plant, having resinous juice, sticky foliage, and a strong smell: family Asteraceae (composites)
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  rosinweed - North American perennial having a resinous odor and yellow flowerscompass flower, compass plant - any of several plants having leaves so arranged on the axis as to indicate the cardinal points of the compass genus Silphium, Silphium - tall North American perennial herbs |
| 2. |  rosinweed - any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestockgenus Grindelia, Grindelia - large genus of coarse gummy herbs of western North and Central America Grindelia robusta - perennial gumweed of California and Baja California curlycup gumweed, Grindelia squarrosa - perennial gumweed of western and central North America herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests |
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