植物性生药的采收时期,是指着某种植物供药用部分中含有有效成分的最多时期,并不是指着某种植物发育至成熟阶段而说的。植物生药质量的好坏,常随着原植物生长的地理上的位置、气候、土壤等条件而有变化。例如罂粟,在印度二月间即开花,在欧洲或美洲要在6—7月才开花,在贵州安顺县四月下旬开花,在上海五月上旬才开花。罂粟不 The harvest time of vegetal crude drugs refers to the period when the active ingredient is contained in the medicinal part of a certain plant, and does not mean that a certain plant has developed to a mature stage. The quality of botanical raw materials often varies with the geographical location, climate, and soil of the original plant. For example, poppy, which blooms in India in February, will bloom in Europe or America from June to July. It will bloom in late April in Anshun County, Guizhou, and will only bloom in early May in Shanghai. Poppy is not