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单词 monostele
释义

monostelen.

Brit. /ˈmɒnə(ʊ)stiːl/, /ˈmɒnə(ʊ)ˌstiːli/, U.S. /ˈmɑnəˌstil/, /ˈmɑnəˌstili/
Origin: Formed within English, by compounding. Etymons: mono- comb. form, stele n.
Etymology: < mono- comb. form + stele n., after monostelic adj. Compare earlier polystele n.
Botany. Now rare.
A single stele (vascular cylinder) in a stem or root.
ΘΚΠ
the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > stele
meristele1894
stele1895
protostele1901
eustele1902
monostele1902
siphonostele1902
polystele1904
1902 Encycl. Brit. XXV. 412/2 (margin) Arrangement in strands: the central cylinder or monostele.
1902 Ann. Bot. 16 519 Eustele is therefore equivalent to Van Tieghem's ‘monostele’ in one of its applications.
1925 A. J. Eames & L. H. MacDaniels Introd. Plant Anat. v. 133 In contrast with the monostele was the ‘polystele’, a type of stele in which the vascular tissues are in the form of strands.
1947 Philos. Trans. (Royal Soc.) B. 232 365 Higher up, this meristele is recognizably a medullated monostele.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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n.1902
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