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单词 polystely
释义

polystelyn.

Brit. /ˈpɒlɪstiːli/, U.S. /ˈpɑliˌstili/
Origin: A borrowing from French. Etymon: French polystélie.
Etymology: < French polystélie (P. van Tieghem & H. Douliot 1886, in Ann. des sci. naturelles: bot. 3 275) < poly- poly- comb. form + stèle stele n. + -ie -y suffix3. Compare slightly later monostely n.
Botany.
Polystelic condition.
ΘΚΠ
the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > stele > condition of having type of
polystely1891
siphonostely1899
1891 Ann. Bot. 5 516 The two Dicotyledonous genera, in which alone, so far as we know, polystely prevails, belong to families remote from each other.
1938 Current Sci. 6 383 Polystely occurs in the cortical region of the stolons.
1995 Amer. Jrnl. Bot. 82 1475/1 Polystely has been reported in root tubers of many orchid taxa.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1891
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