Cambial Variants (Anomalous Secondary Growth)
“Anomalous secondary growth” is the term under which have been grouped cambial conformations, cambial products, and cambial numbers which differ from the most common “normal” condition, namely, a single cylindrical cambium that produces phloem externally and xylem internally. The term “variants” is employed here as a way of referring to the less common types; “anomalous” may give the misleading impression of a disorderly action.
KeywordsSecondary Xylem Sieve Tube Vascular Cambium Axial Parenchyma Secondary Phloem
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