tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers
双语例句
The effects of competition with Helianthus turberosus on photosynthesis of Ambrosia trifida were studied under different densities under series replacement experiments. 采用取代试验设计，研究了不同密度比条件下，菊芋对三裂叶豚草光合特性的竞争机理。
