单词 | crepis |
释义 | crepisn. 1. Botany [modern Latin (Linnæus Genera Plantarum (1737) 240), < Greek κρηπίς, Theophrastus's name for another plant.] A plant of the large genus of herbs so called, belonging to the family Compositæ and including a few cultivated species. ΘΚΠ the world > plants > particular plants > plants and herbs > according to family > Compositae (composite plants) > [noun] > hawkweed or bastard hawkweed lungwortc1000 mouse-eara1300 pilosella?a1425 hawkweed1562 French lungwort1597 myosotis1601 golden mouse-ear1629 Grim the Collier1629 rattlesnake weed1651 Hieracium1664 pilosella1756 mouse-eared hawkweed1789 crepis1822 wall hawkweed1829 1822 J. C. Loudon Encycl. Gardening Index 1383/2 Crepis,..of easy culture. 1904 R. J. Farrer Garden of Asia 246 Twinkling gold of crepis. 1919 R. J. Farrer Eng. Rock-garden I. 243 No Crepis is worthy of admission to the rock-garden..except the following: C. incisa..; C. rubra..; and C. lagoseris. 1948 A. G. L. Hellyer Amateur Gardener viii. 199 Most species of crepis are weeds and all have flowers like small dandelions. 2. Biology [ < Greek κρηπίς base.] A sponge-spicule forming the central axis of a desma. ΘΚΠ the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > desma > spicule forming axis crepis1900 1900 E. A. Minchin in Lankester Treat. Zool. II. 134 Each desma is formed typically by secondary deposits of silica upon a true spicule termed the crepis or foundation. 1940 L. H. Hyman Invertebrates I. vi. 299 The deposited silica at first follows the shape of the crepis. 1963 I. F. Henderson & W. D. Henderson Dict. Biol. Terms (ed. 8) 124/1 Crepis, the fundamental spicule by deposition of silica upon which a desma is formed. This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018). < n.1822 |
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