Thorny parts of roses
This time we are looking on the crossword puzzle clue for: Thorny parts of roses.
it’s A 21 letters crossword definition.
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Possible Answers:
Stems.
Last seen on: Daily Celebrity Crossword – 6/8/19 Smartypants Saturday
Random information on the term “Stems”:
A stem is one of two main structural axes of a vascular plant, the other being the root. The stem is normally divided into nodes and internodes:
The term “shoots” is often confused with “stems”; “shoots” generally refers to new fresh plant growth including both stems and other structures like leaves or flowers. In most plants stems are located above the soil surface but some plants have underground stems.
Stems have four main functions which are:
Stems are often specialized for storage, asexual reproduction, protection or photosynthesis, including the following:
Stem usually consist of three tissues, dermal tissue, ground tissue and vascular tissue. The dermal tissue covers the outer surface of the stem and usually functions to waterproof, protect and control gas exchange. The ground tissue usually consists mainly of parenchyma cells and fills in around the vascular tissue. It sometimes functions in photosynthesis. Vascular tissue provides long distance transport and structural support. Most or all ground tissue may be lost in woody stems. The dermal tissue of aquatic plants stems may lack the waterproofing found in aerial stems. The arrangement of the vascular tissues varies widely among plant species.