Seedlings of about 3500 species of dicotyledons were classified as exhibiting either phanerocotylar or cryptocotylar germination. The percentages of cryptocotylar species in the orders as circumscribed by Dahlgren (J. Linn. Soc., Bot. 80:91-124, 1980) were calculated and grouped into five classes whose distributions were plotted onto a bubble-diagram. The resulting pattern revealed a concentration of cryptocotyly in primitive families thereby supporting the view that within the dicotyledons, cryptocotyly is the primitive germination pattern.
Clifford, H. T.
"Germination Patterns in Dicotyledons,"
Aliso: A Journal of Systematic and Evolutionary Botany:
1, Article 9.
Available at: http://scholarship.claremont.edu/aliso/vol13/iss1/9
© 1991 H. T. Clifford
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