The upright perennial plants emerging from creeping rhizomes are cattail. They have smooth margins with long tapering leaves and are spongy. It is an example of line flower types, option D.
What are the characteristics of cattail?
Cattails are longstanding plants that are aquatic and grow tall in rice fields, drainage ditches, and irrigation canals.
They have fleshy creeping stems that are quite long (rhizomes). Leaf blades are stiff, rounded on the back, spiral in the top half, and sheathed together at the base, giving the appearance of being "flattened."
These are included under line flowers category.
Thus, the correct option is D.
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