lateral meristem


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Related to lateral meristem: ground meristem, vascular cambium

Lateral meristem

Strips or cylinders of dividing cells located parallel to the long axis of the organ in which they occur. Radial enlargement of the cells derived from these meristems increases the diameter of the organ. The lateral meristem is concerned with secondary growth in the sense that its meristematic activity adds cells to the primary body which was derived from the apical meristems. See Apical meristem

lateral meristem

[′lad·ə·rəl ′mer·ə‚stem]
(botany)
Strips or cylinders of dividing cells located parallel to the long axis of the organ in which they occur; the lateral meristem functions to increase the diameter of the organ.
References in periodicals archive ?
Later, if the plant becomes woody, new secondary tissues arise from a different region of mitosis, the lateral meristems.
Plants that live for a long time, and especially those dicots and gymnosperms, which become woody and survive from year to year, do so as a result of lateral meristems.
According to this view, under high nutrient supply, lateral meristems receive an "overflow" of nutrients that, because of their abundance, cannot be disproportionately channelled to the shoot apex.
During the first year of growth, each ramet is generally unbranched, usually 2025 cm tall, and bears numerous lateral meristems.
However, in most Cyperaceae, the IM produces lateral meristems that may behave either wholly as SMs and, consequently, do not produce other branches and end immediately in a spikelet (Fig.

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