colchicum

1. The medication's active ingredient is colchicine, a complex compound derived from the dried seeds of a plant known as the autumn crocus or meadow saffron ( Colchicum autumnale).
   该药的活性成份为秋水仙碱（colchicine），是一种来源于植物秋藏红花或秋水仙的干燥种子的复杂化合物。
2. Haploid breeding is a method of doubling the spontaneous or artifical haploid with colchicum, and selecting the super doubled lines.
   单倍体育种是利用自然发生或人工培育的单倍体，经染色体加倍获得纯合二倍体，再从中选育自交系的方法。
3. The concentration of colchicum in 0.02% was propitious for the induction of tetraploid garlic. The high growth hormone was suitable to induce the garlic callus, but not for its differentiation. 3.
   0.02%的秋水仙素利于四倍体的产生；高浓度的生长素有利于大蒜愈伤组织的诱导，但并不利于其分化。

noun

1. chiefly fall-blooming perennial cormous herbs

   Synonym:    genus Colchicum