Evaluation · Q7
Q.What do you infer from the term pycnoxylic?
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Start your 14-day free trial to unlock the full solution →Step 1. Gymnosperm wood, produced by secondary growth, is classified into two contrasting types based on how much parenchyma tissue it contains relative to conducting tissue.
Step 2. 'Pycnoxylic' describes wood that is dense and compact — made up mostly of closely packed tracheids, with only narrow medullary rays and comparatively little parenchyma.
Step 3. This contrasts with 'manoxylic' wood (soft, porous, with abundant parenchyma and wide medullary rays, e.g. in Cycas). …
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