Roystonea

plant genus

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In palm: Characteristic morphological features
…in the royal palms (Roystonea) or in the few that produce conspicuous swellings or “bellies” such as Colpothrinax, it is due to an increase in number or size of internal cells and not to new cell production at a cambium, or growing, layer. The cortex, or “bark,” may be…
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