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Glossary <br />Alien plant — A plant species not native to the United States. <br />Annuals — A plant which completes its life cycle in one season, <br />spring through fall. <br />Biennials — Plants that require 2 seasons to complete life cycle. <br />They typically germinate in late summer, over -winter, flower, and <br />set seed by mid -summer of the following year. <br />Bolt — The initial stem arising from rosette leaves as a plant <br />matures. The term `bolting' is often used to describe the growth <br />stage between rosette and flowering. <br />Bracts — A small leaf -like structure below the flower. <br />Calibration - To check, adjust, or determine spray equipment <br />output. (ex. Gallons Per Acre) <br />Containment — Defined in the Colorado Noxious Weed Act, <br />maintaining an intensively managed buffer zone that separates <br />infested regions, where suppression activities prevail, from largely <br />un -infested regions where eradication activities prevail. <br />Eradication - Defined in the Colorado Noxious Weed Act, <br />reducing the reproductive success of a noxious weed species or <br />specified noxious weed population in largely un -infested regions to <br />zero and permanently elimination the species or population within <br />a specified period of time. Once all specifidd weed populations are <br />eliminated or prevented from reproducing, intensive efforts <br />continue until the existing seed bank is exhausted. <br />Forb - A broad-leaved herb other than a grass. <br />Inflorescence -- The flowering part of the plant. <br />Invasive plants — Plant species that are competitive enough to <br />become dominant in a particular area. <br />Lifecycle — A description of a plant's duration - annuals, biennials, <br />perennials, simple perennials, winter annuals. <br />Lobed — To cut into shallow segments. <br />Native plant — A plant that is indigenous to Colorado. <br />iii <br />