Mesarch
[mez-ahrk, mes-, mee-zahrk, -sahrk] /ˈmɛz ɑrk, ˈmɛs-, ˈmi zɑrk, -sɑrk/
adjective
1.
Botany. (of a primary xylem or root) developing from both the periphery and the center; having the older cells surrounded by the younger cells.
2.
Ecology. (of a sere) originating in a mesic habitat.
/ˈmɛsɑːk/
adjective
1.
(botany) (of a xylem strand) having the first-formed xylem surrounded by that formed later, as in fern stems Compare exarch2 , endarch
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