verticillusn.
/vəːtɪˈsɪləs/ Botany.
A verticil or whorl.
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the world > plants > part of plant > (defined by) distribution, arrangement, or position > [noun] > verticil or arranged in whorl
rundle1578
verticillus1760
verticil1793
verticillation1830
1760 J. Lee Introd. Bot. iii. iv. 170 Verticillus, a Whorl, expresses a Number of Flowers that are subsessile, and are produced in Rings round the Stems.
1783 Encycl. Brit. X. 8570/2 The..smaller creeping germander, hath..reddish flowers, growing almost in a verticillus, or whorls, round the stalk.
1829 T. Castle Introd. Systematical & Physiol. Bot. 94 In the verticillus or whorl, the flowers surround the stem in a sort of ring.
1830 J. Lindley Introd. Nat. Syst. Bot. Introd. p. xxv In most orders the sepals occupy one series or verticillus only.
1870 tr. F. A. Pouchet Universe 388 When the floral apparatus is complete it is formed of four rosettes, or verticilli, of depressed concentrated leaves.
This entry has not yet been fully updated (first published 1917; most recently modified version published online December 2018).
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