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A Determination Of Stelar Patterns In Various Root Divisions Of Certain Angiosperms, Serafin Ramon

Biology ETDs

Root systems from ten species of desert angiosperms were collected and examined histologically to determine the xylem patterns of the primary, secondary, and tertiary roots. The plants used in the study were Cleome serrulata Push, Croton texenis (Klotzch) Muell. Arg., Franseria acanthicarpa (Hook.) Coville, Gutierrezia microphala (D.C.) Gray, Mentzelia albicaulis Dougl., Kochia scoparia (L.), Ratibida columnaris (Sims) D. Don, Salsola kali (S. pestifer A. Nels.), Tribulus terrestris L., and Berbana macdougalii Heller.