plant key

plant key

[′plant ‚kē]
(botany)
An analytical guide to the identification of plants, based on the use of contrasting characters to subdivide a group under study into branches.
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There's the chance to learn the basic skills of wildflower identification by looking at the different parts of a plant and the basics of how to use a plant key for identification.
Those taking part will practise plant identification through observation, discussion and hands-on use of plant keys and hand lenses.
"Westinghouse provides the solutions for the new plant construction as well as for existing plant upgrades; we cover the wide scale of essential power plant needs from nuclear fuel, plant key safety grade and commercial components, safety and non-safety instrumentation and control systems to necessary spare parts, and general warranty and post warranty support." In the services area, Westinghouse offers expertise in functional design, instrumentation and control implementation, safety calculations, studies and analyses, emergency response studies, emergency operating procedures, operational procedures and other disciplines necessary to assure the safe operation of nuclear power plants.
Obtaining a good plant key and a supply of unknown plants, then identifying one from the other, is the best means of learning the many terms.
About 100 different terms are commonly used in plant keys. The use of Latin plant names (binomial nomenclature) is critical to positive plant identification, since most cultivated and many wild plants have several common or regional names.
Dissecting and compound microscopes, illuminators, collecting nets, killing jars, pinning boards, plant presses, insect and plant keys and other reference books were packed into seven large crates and shipped as checked luggage when we flew into Merida, the airport nearest Hacienda Tabi and the Reserve.