21. "Pontederia " plants have large waxy leaves, succulent stems and a thick pad of fibrous roots . 22. Their fibrous root show long and soft hairs. 23. They are taprooted or have fibrous root systems. 24. This is said to describe the root tubers that hang characteristically on the genus, on fibrous roots . 25. They avoided cultivating the heavy soils of the open prairie with their deep mats of fibrous roots . 26. It has a taproot and a system of fibrous roots within the top few centimeters of soil. 27. This habit can often create a dense network of fibrous roots , that can crowd out other plants. 28. It grows from a fibrous root network which may penetrate over 1.5 meters deep in the soil. 29. Trees with such fibrous roots include most popular deciduous fruit trees, poplar, locust, ash, and Douglas fir. 30. It has a huge fibrous root system.
