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单词 coronule
释义

coronulen.

/kɒˈrəʊnjuːl/
Etymology: < Latin corōnula, diminutive of corōna crown. The Latin form is sometimes used.
Botany and Zoology.
1. Botany. An appendage like a small crown or coronet surmounting a seed, etc.: cf. corona n.1 7a.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > calyx > pappus or appendage on seed
plume1578
pappe1657
pappus1704
corona1753
coronule1806
coma1830
plumule1894
1806 G. Gregory Dict. Arts & Sci. I. 255 The coronula is..a small sort of calyx adhering to the seed, like a little crown.
1866 J. Lindley & T. Moore Treasury Bot. Coronule, the small calyx-like body which crowns the nucule of Chara. [Called crown in transl. of Sachs.]
1881 Groves in Jrnl. Bot., Brit. & Foreign 19 2 The small size and shortness of the nucleus and coronula.
2. Zoology. A kind of acorn-shell or barnacle of the genus Coronula of Cirripeds; parasitic on Cetacea.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > subclass Entomostraca > order Cirripedia > suborder Thoracica > member of genus Coronula
coronule1835
whale-barnacle1854
1835–6 Todd's Cycl. Anat. & Physiol. I. 686/1 All the Balanids—with the exception of the Coronules—have calcareous bases.
1876 P. J. Van Beneden Animal Parasites & Messmates 57 Eschricht has in vain offered a reward to him who would send him coronulæ still attached to the umbilical cord.
This entry has not yet been fully updated (first published 1893; most recently modified version published online June 2022).
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n.1806
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更新时间:2024/11/10 23:22:49