| 单词 |
pyxidium |
| 释义 |
‖ pyxidium Bot.|pɪkˈsɪdɪəm| Pl. pyxidia. [mod.L., ad. Gr. πυξίδιον, dim. of πυξίς a box: see pyx.] A capsule opening by transverse dehiscence, so that the top comes off like the lid of a box.
1832Encycl. Brit. (ed. 7) V. 42/1 When a capsule opens transversely, it is called a pyxidium. 1847W. E. Steele Field Bot. 123 Pimpernel... Fruit a pyxidium. 1857Henfrey Elem. Bot. 143 The Pyxidium is a one- or more-celled, many-seeded fruit, the upper part of which falls off like a lid by circumscissile dehiscence. |

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