| Noun | 1. | Amianthum - one species: fly poison; sometimes placed in family Melanthiaceae liliid monocot genus - genus of monocotyledonous plants comprising mostly herbs having usually petaloid sepals and petals and compound pistils family Liliaceae, Liliaceae, lily family - includes species sometimes divided among the following families: Alliaceae; Aloeaceae; Alstroemeriaceae; Aphyllanthaceae; Asparagaceae; Asphodelaceae; Colchicaceae; Convallariaceae; Hemerocallidaceae; Hostaceae; Hyacinthaceae; Melanthiaceae; Ruscaceae; Smilacaceae; Tecophilaeacea; Xanthorrhoeaceae Amianthum muscaetoxicum, Amianthum muscitoxicum, fly poison - all parts of plant are highly toxic; bulb pounded and used as a fly poison; sometimes placed in subfamily Melanthiaceae |