stem defined in 1951 yearstem - stem;
stem - Normally aerial part of axis of vascular plants, bearing leaves and buds at definite positions (nodes) and reproductive structures, e.g. flowers. Some stems are subterranean, e.g. rhizomes but these, like all stems, are distinguished externally from roots by the occurrence of leaves (scale-leaves on rhizomes) with buds in their axils, and internally by having vascular bundles arranged in a ring forming a hollow cylinder, or scattered throughout tissue of the stem, and with protoxylem most commonly endarch.
near stem in Knolik
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