| 单词 | rosinweed |
| 释义 | rosinweed (once / 5909656 pages) n WORD FAMILY rosinweed: rosinweeds USAGE EXAMPLESTall rosinweeds began to thrust up rankly, banks of sunflowers prepared to fling their yellow banners miles wide. Hough, Emerson, The Covered Wagon(2010) 1n North American perennial having a resinous odor and yellow flowers Syn|Hyper Silphium laciniatum compass flower, compass plant any of several plants having leaves so arranged on the axis as to indicate the cardinal points of the compass 2n any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock Syn|Hypo|Hyper gum plant, gumweed, tarweed Grindelia robusta perennial gumweed of California and Baja California Grindelia squarrosa, curlycup gumweedperennial 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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