[f. THRUM sb.2 + WORT.] A name for different plants having parts resembling thrums. a. The water-plantain, Alisma Plantago (or other species); also the allied star-fruit, Actinocarpus Damasonium. b. ‘Love-lies-bleeding,’ Amarantus caudatus.

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1829.  Glover’s Hist. Derby, I. 112. Alisma ranunculoides, lesser thrum wort…. Alisma lanceolata, narrow-leaved thrum wort.

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1866.  Treas. Bot., 1147. Thrumwort, Actinocarpus; also Amaranthus caudatus.

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1879.  Prior, Names Brit. Plants, Thrum-wort.… The plant has its name from its long tassel-like panicles of red flowers, the florimer, Amarantus caudatus.

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1886.  Britten & Holland, Eng. Plant-n., Thrum-wort. (1) Amaranthus caudatus.… (2) A book-name for Actinocarpus Damasonium.… Thrumwort, Great, Alisma Plantago.

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