Question

why is the surface of equistum rough?​

Answer 1

Answer:

Here's Your Answer

Explanation:

Because the stems are rough and durable (due to their high silica content) they were called “scouring rushes” because early pioneers used them to scrub pots and pans. Both scouring rush and horsetail prefer moist soil, but either will tolerate fairly dry soil after they become established.

Answer 2

Answer:

Equisetum hyemale has vertical jointed reed-like stalks of medium to dark green. ... The stems themselves have conspicuous ridges, which are impregnated with silica. This makes the ridges feel rough and harsh.

Explanation:

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