Definition of Protostele

1. Noun. (botany) A type of stele, in which the vascular tissue in the stem forms a solid core, with no central pith or leaf gaps. ¹

¹ Source: wiktionary.com

Definition of Protostele

1. [n -S]

Lexicographical Neighbors of Protostele

protosalts
protoscience
protosciences
protoscripture
protosilicate
protosilicates
protosolar
protosome
protosomes
protosomite
protosomites
protostane
protostanes
protostar
protostars
protostele (current term)
protosteles
protostelic
protostelid
protostelids
protostellar
protostomatous
protostome
protostomes
protostomian
protostomians
protostomous
protosulphide
protosulphides
protosulphuret

Literary usage of Protostele

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Encyclopaedia Britannica: “a” Dictionary of Arts, Sciences, Literature edited by Hugh Chisholm (1911)
"_ It is probable that this type of stele is a modification of a primitive protostele, in which the main mass of stelar xylem has become much reduced and ..."

2. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"While the names are rather formidable, a few diagrams will make their meaning clear (Fig. 1). The most primitive type is the protostele (A). Pic. 1. ..."

3. The Origin of a Land Flora: A Theory Based Upon the Facts of Alternation by Frederick Orpen Bower (1908)
"But there is a limit to the size which a solid protostele may attain ... While certain of the early species of Lepidodendron have a solid protostele (L. ..."

4. Plant Anatomy from the Standpoint of the Development and Functions of the by William Chase Stevens (1916)
"This condition, together with the fact that in their embryonic stage all ferns have the protostele, is convincingly suggestive that the ..."

5. Botanical Gazette by University of Chicago, JSTOR (Organization) (1902)
"The protostele: x, xylem; sisting of a central mass of wood, bast, or phloem (fig /), this in its turn having been derived from the primitive conductive ..."

6. A Textbook of Botany for Colleges and Universities by John Merle Coulter, Charles Reid Barnes, Henry Chandler Cowles (1910)
"They are as follows: (i) the protostele (see p. 125), recognized as being the most primitive type (as in Gleichenia, fig. ..."

7. The Eusporangiatae: The Comparative Morphology of the Ophioglossaceae and by Douglas Houghton Campbell (1911)
"... unless we choose to call the single leaf trace of the cotyledon a protostele. Just so soon as the two first leaf traces unite, the axial vascular bundle ..."

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