2. Noun. (science) A root that has many xylem bundles. ¹
¹ Source: wiktionary.com
Definition of Polyarch
1. having many xylem strands [adj]
Lexicographical Neighbors of Polyarch
Literary usage of Polyarch
Below you will find example usage of this term as found in modern and/or classical literature:
1. Science by American Association for the Advancement of Science (1905)
"No secondary growth of the bundles takes place in any part of the plant. In this
and in the polyarch roots and in the short life of the primary root are the ..."
2. The American Naturalist by American Society of Naturalists, Essex Institute (1904)
"14*:),. becomes bipolar (multipolar polyarch). There is no central body at the
poles and no place for a centrosome in this developmental history. ..."
3. Comparative Anatomy of the Vegetative Organs of the Phanerogams and Ferns by Anton Bary (1884)
"Only as an exception, in the polyarch subsidiary roots on the rhizome of Primula
... In stout polyarch subsidiary roots, and in the upper part of stout ..."
4. Botanical Gazette by University of Chicago, JSTOR (Organization) (1916)
"... they are not readily distinguished. The cross-walls are numerous and are not
resorbed. Summary 1. The larger roots of Ipomoea Batatas Lam. are polyarch, ..."
5. The Origin of a Land Flora: A Theory Based Upon the Facts of Alternation by Frederick Orpen Bower (1908)
"On the other hand, the larger polyarch roots in the family show structure
reminiscent of certain Ferns, and especially of the Marattiaceae. ..."