31. Each plant can produce 15, 000 seeds and it also reproduces through its long tuberous root system. 32. It is a tuberous root , the source of tapioca, but it bears little resemblance to the pudding. 33. The rhizome is fleshy with tuberous roots . 34. Some sympodial terrestrial orchids, such as " Orchis " and " Ophrys ", have two subterranean tuberous roots . 35. It has tuberous roots called caudices. 36. The plant has perennial tuberous roots . 37. Established four o'clocks ( Mirabilis jalapa ) can have huge tuberous roots , so I'd look for smaller plants. 38. After the first few frosts, the tops will die and the tuberous roots are ready for digging up. 39. Although the leaves and shoots are also edible, the starchy tuberous roots are by far the most important product. 40. In China, there are several wild species; the tuberous roots of some serve as food as well as medicine.
