rayless goldenrod
noun Date: 1923 a shrubby to herbaceous composite plant (Haplopappus heterophyllus syn. Isocoma wrightii) especially of open saline ground from Texas to Arizona and northern Mexico that lacks ray flowers and causes trembles in cattle

New Collegiate Dictionary. 2001.

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  • rayless goldenrod — noun : any of several plants of Haplopappus and related genera some of which (especially H. heterophyllus and H. fruticosus) produce trembles in cattle see chrysothamnus * * * rayless goldenrod, any one of various plants related to the goldenrod… …   Useful english dictionary

  • rayless goldenrod — ray·less goldenrod rā ləs n a shrubby or herbaceous composite plant (Haplopappus heterophyllus syn. Isocoma wrightii) that occurs esp. on open saline ground from Texas to Arizona and northern Mexico and causes trembles in cattle …   Medical dictionary

  • goldenrod — noun Date: 1568 any of numerous chiefly North American composite perennial herbs (genus Solidago) with small heads of usually yellow late blooming flowers often clustered in panicles compare rayless goldenrod …   New Collegiate Dictionary

  • Goldenrod — Taxobox name = Goldenrod image width = 250px image caption = Inflorescences of Solidago virgaurea minuta regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Asterales familia = Asteraceae tribus = Astereae genus = Solidago… …   Wikipedia

  • List of Asteraceae genera — This is a list of genera in the plant family Asteraceae, the daisies and sunflowers.A* Aaronsohnia Warb. Eig * Abrotanella Cass. * Acamptopappus (A.Gray) A.Gray goldenhead * Acanthocephalus Kar. Kir. * Acanthocladium F.Muell. * Acanthodesmos… …   Wikipedia

  • Bigelowia nuttallii — ID 10361 Symbol Key BINU2 Common Name Nuttall s rayless goldenrod Family Asteraceae Category Dicot Division Magnoliophyta US Nativity Native to U.S. US/NA Plant Yes State Distribution AL, FL, GA, LA, TX Growth Habit Forb/herb …   USDA Plant Characteristics

  • trembles — An intoxication of cattle, caused by eating white snakeroot, Eupatorium urticaefolium, or the rayless goldenrod; the active agent is a higher alcohol, tremetol, which intoxicated cows eliminate in their milk, causing milk sickness when ingested… …   Medical dictionary

  • tremetol — trem·e·tol trem ə .tȯl, .tōl n an unsaturated alcohol obtained as an oil of aromatic odor from a snakeroot (Eupatorium rugosum) and several rayless goldenrods (esp. Haplopappus heterophyllus) that causes trembles in animals and milk sickness in… …   Medical dictionary

  • tremble — I. intransitive verb (trembled; trembling) Etymology: Middle English, from Anglo French trembler, from Medieval Latin tremulare, from Latin tremulus tremulous, from tremere to tremble; akin to Greek tremein to tremble Date: 14th century 1. to… …   New Collegiate Dictionary

  • Isocoma — Taxobox name = Goldenbush image width = 250px image caption = Isocoma acradenia regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Asterales familia = Asteraceae tribus = Astereae genus = Isocoma genus authority = Nutt.… …   Wikipedia

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