Date of Award

1956

Degree Type

Open Access Dissertation

Program

School of Arts and Humanities

Terms of Use & License Information

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Rights Information

© 1956 Donald E. Wimber

Abstract

The orchids known today make up one of the largest Angiospermous families in the world. Recent estimates place the number of genera at about 450 which estimates between 10,000 and 15,000 species (some authorities go as high as 20,000). They are without doubt one of the most highly specialized groups of green plants. Botanically the flowers are of more than passing interest for they deviate so distinctly from the norm of the Monocots. They are the possessors of a number of unique structures that are found in no other family of flowering plants.

Comments

vii, 91 leaves : charts, plates ; 28 cm. Typescript (carbon copy). Includes bibliographical references (leaves 85-91). Pdf does not include original blank pages, cover, or back cover.

DOI

10.5642/cguetd/3

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