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Equisetum telmateia. Two distinct morphotypes resulting from mutations in homeotic genes have been described, showing a strong correlation with sunlight - f. serotinum and f. spiralis. F. serotinum is distinguished by the presence of the strobilus on the sterile shoot. In f. spiralis leaf sheaths, at least partially spiral around the main shoot ...

Posted on February 12, 2021 02:39 PM by