Vascular Plant

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Related to Higher plant: Vascular plants, Tracheophytes

Vascular Plant

 

a plant whose organs contain vessels or tracheids, which conduct water and dissolved mineral salts, and sieve tubes, which conduct organic matter. Vascular plants include the Psilotophyta, Lycopodiophyta, Equisetopsida, Pterido-phyta, Gymnospermae, and Angiospermae, that is, all higher plants except mosses and liverworts. In these exceptions, the overall reduction of the sporophyte is also reflected in the disappearance of the conducting system typical of higher plants. In certain older plant classifications, a special taxonomic group of cryptogamic vascular plants was distinguished; it included the Psilotophyta, Lycopodiophyta, Equisetopsida, and Pteridophyta.

References in periodicals archive ?
The decrease at Yauricocha was due to higher plant throughput, an increase in by-product credits and continued success with the cost reduction measures implemented in Q3 2013.
Operating results for 1998 reflect improved performance primarily related to the effects of favorable manufacturing costs resulting from higher plant utilization and lower raw material costs compared to 1997, offset in part by the unfavorable effects of foreign exchange and higher interest and financing expenses on higher average debt outstanding in 1998.
While this is above historical operating levels, extra redundancies incorporated in the generating facility and conservative maintenance practices could support the higher plant factor.
Such energy centers offer clients lower electric and thermal energy costs than generally available from the utility market because of the higher plant efficiency of cogeneration technology.
Operating margins improved due to productivity gains and higher plant volumes.
0 Animal species, total known Animal species, threatened Higher plant species, total known Higher plant species, threatened GEF benefits index for biodiversity (0-100, median is 1.
In addition, 21 percent of plants report a correlation between more training and less injuries, while 16 percent report a correlation between more training and higher plant efficiency.
Brown reports the majority of the increase in yield proved to be from improved plant genetics, but there was a 10% average increase in yield when the varieties were planted using today's management practices (narrower row width, higher plant population and additional nitrogen).
Historically CO2 is a spin-off from high global temperature, being generated by higher plant growth and subsequent decay.
In addition, less chemical cleanings are required in the DOW FILMTEC Reverse Osmosis system downstream due to the more suitable feed water provided by the DOW Ultrafiltration system, resulting in longer membrane life, higher plant availability and lower replacement rate of cartridge filters.
The decrease in costs at Cusi was due to higher silver payable ounces and by-product credits due to higher plant throughput.

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