Edaphic Factors in Species and Ecotype Differentiation of Sagittaria

Soil from populations of four ecotypes of two varieties within the Sagittaria graminea complex, a third variety of this complex, and from populations of S. cristata and S. platyphylla were analysed. Values for pH, CaO, MgO, P_2O_5 and K_2O were established, and tests for significance of the data mad...

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Bibliographic Details
Published in:The Journal of ecology 1973-03, Vol.61 (1), p.151-156
Main Author: Wooten, Jean W.
Format: Article
Language:English
Subjects:
Aquatic plants
Ditches
Edaphic factors
Plants
Roadside
Serpentine soils
Soil analysis
Soil ecology
Soil samples
Taxa
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Summary:Soil from populations of four ecotypes of two varieties within the Sagittaria graminea complex, a third variety of this complex, and from populations of S. cristata and S. platyphylla were analysed. Values for pH, CaO, MgO, P_2O_5 and K_2O were established, and tests for significance of the data made. Significant soil nutrient levels were established that were characteristic for and served to delimit each taxon. Two of the four ecotypes were found to be specific to certain soils. Edaphic adaptation appears to be of importance in this group of plants and may be of significance in other hydrophytes.
ISSN:0022-0477
1365-2745
DOI:10.2307/2258924