(of a primary xylem or root) developing from the periphery; having the oldest cells closest to the core.
- end·ar·chy, noun
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British Dictionary definitions for endarch
botany (of a xylem strand) having the first-formed xylem internal to that formed later: Compare exarch 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012