芹菜是伞形花科、二年生的草本植物，又名芹、药芹、蒲芹。

Celery is the umbrella-type family and biennial herb, also known as celery, celery drugs and Parsnip .

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二年生的枝条的成活率最高，尤其以二年生的生根粉的效果最好，为49.1%，比一年生和多年生的要高出15%左右。

The survival rate of the biennial branch is the highest, especially the biennial taking root powder (49.1%), it is about 15% higher than the annual and perennial one.

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以二年生草本花卉黑心菊为材料，研究了温室环境对其生长的影响。

The influence of greenhouse environment on the growth of in rudbeckia hirta a biennial herbaceous flower was studied.

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