Master's Theses

Date of Award

Spring 1962

Degree Name

Master of Science (MS)




G. W. Tomanek


The principle purpose of this study was to classify and describe the rosettes of some prairie forbs. Twenty five different species of forbs were studied in the college pasture about two and one-half miles west of Hays, Kansas. Observations were taken on appearance, growth and development and condition in which plants spent winter season. Characteristics such as pubescence, leaf shape and color pattern of leaves were also included. Rosettes have been defined as a cluster of green leaves occurring on any part of the old plant body during winter months. According to the position of rosettes in relation to the old plant three types of rosettes were recognized namely, basal, stem, and terminal. Out of the 25 prairie forbs studied, 18 were found having some type of rosette form of growth. Eleven had basal, four had terminal and three had stem rosettes. The rest of the seven forbs possessed either crown buds or rhizomes. Rosettes, in general, varied considerably in their size and shape, and many rosette leaves were completely different from leaves found on the plant during the growing season. Most of the leaves were pubescent.


Copyright 1962 Ram Prashad Singh


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