Annual ring

annual ring

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Definition

Glossary of Plant Systematics (1st ed.) by Simpson (2006)

• The accumulation of secondary xylem (or phloem) over a single growing season, being evident because of the structural difference between the last cells of the summer wood and the first cells of the subsequent spring wood.

文献（引用）

• Simpson, M. G. 2006. Plant Systematics. -xi + 590 pp. Elsevier Academic Press, Oxford.

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広島大学 / デジタル自然史博物館 / 植物 / アルファベット順 | 仮名順 にもどる