| 单词 |
verticil |
| 释义 |
verticil|ˈvɜːtɪsɪl|
Also 8–9 verticel.
[ad. L. verticill-us verticillus. Cf. F. verticille in sense 2 (also, in earlier use, a whorl).]
†1. (See quot.). Obs.—1
1703A. de La Prime Let. to Sir H. Sloan (Sloan MSS. 4056) fol. 33 Verticels or glass Beads formed on purpose to wind thread on.
2. Bot. A number or set of organs or parts arranged, disposed, or produced in a circle round an axis (see quot. 1882); a whorl. false verticil or spurious verticil, a verticillaster.
Also similarly in Zool. (in recent Dicts.).
α1793Martyn Dict. Bot. s.v., A Verticil or Whirl may be 1. Sessile or peduncled. 2. Naked... 3. Crowded. 1806J. Galpine Brit. Bot. §258 Ajuga... Hairy: verticils crowded into a pyramidal form, many-flowered. 1826–34Encycl. Metrop. (1845) VII. 43/2 The stamens in the same verticil are sometimes joined together, and sometimes with the neighbouring verticils. 1882Vines Sachs' Bot. 170 An axial structure may produce either several equivalent lateral members at the same level, or only one; in the second case the members formed in succession are termed solitary, in the first case a Whorl or Verticil.
β1856Henslow Dict. Bot. Terms 214 Verticel, Verticillus,..a whorl. 1872Nicholson Palæont. 483 The joints of the stems give off verticels of leaves. 1881Spencer in Science Gossip No. 202. 229 It is generally supposed that the branches were also arranged in verticels. |
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