| 词汇 | comfrey |
| 释义 | comfrey noun[ C or U ] uk /ˈkʌm.fri/ us /ˈkʌm.fri/ a plant with large leaves covered in hairs and white, pink, or purple flowers, sometimes used as a herb to treat medical conditions : Each plant can re-root, and comfrey can be a very difficult plant to get rid of. Comfrey should also be regularly watered until well established. The 6-foot-long roots that harvest nutrients from deep in the soil make comfrey leaves a fantastic natural source of nitrogen, phosphorus, and potassium. All comfreys grow fast, and you can harvest at least two crops of leaves during the growing season. Also known as knitbone, comfrey has a good reputation as a wound healer. Comfrey is a key plant in organic gardening as it is an excellent fertilizer, rich in trace elements. Common plants African violet agave aloe aloe vera alpine strawberry dichondra dieffenbachia dill weed dracaena Easter lily loganberry maidenhair fern maize mandrake mare's tail sorrel sotol sow thistle Spanish moss spearmint |
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