IGCSE Biology 4th edition

Biology books by
D G Mackean

'Girdle scars' of horse-chestnut

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Girdle scars of horse-chestnut

Winter twigs. 'Girdle scars' of horse-chestnut. The scars mark the position of each year's terminal bud, so the length of stem between each set of girdle scars represents one year's growth.

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