| 单词 |
crepis |
| 释义 |
crepis|ˈkriːpɪs|
1. Bot. [mod.L. (Linnæus Genera Plantarum (1737) 240), ad. Gr. 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.
1822Loudon Encycl. Gardening Index 1383/2 Crepis,..of easy culture. 1904R. J. Farrer Garden Asia 246 Twinkling gold of crepis. 1919― 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. 1948A. G. L. Hellyer Amateur Gardener viii. 199 Most species of crepis are weeds and all have flowers like small dandelions.
2. Biol. [ad. Gr. κρηπίς base.] A sponge-spicule forming the central axis of a desma.
1900E. 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. 1940L. H. Hyman Invertebrates I. vi. 299 The deposited silica at first follows the shape of the crepis. 1963I. F. & W. D. Henderson Dict. Biol. (ed. 8) 124/1 Crepis, the fundamental spicule by deposition of silica upon which a desma is formed. |
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