单词 | radiatiform |
释义 | radiatiformadj. Botany. rare. Of a flower head: apparently radiate; having ray flowers at the margin of the disk, or marginal tubular flowers that are larger than the inner ones. ΚΠ 1849 J. H. Balfour Man. Bot. 438 Falsely-radiate, or radiatiform, corollas of the margin ligulate, those of the centre bilabiate. 1880 A. Gray Struct. Bot. 429 (Gloss.) Radiatiform, said of a capitulum of flowers which is radiate by enlargement of some of the outer flowers, which however are not truly ligulate, as in species of Centaurea. 1951 Bull. Torrey Bot. Club 78 169 The [flower] heads are technically discoid..or sometimes radiatiform. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < adj.1849 |
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