Botany. A feathery pappus or other appendage of a seed, which enables it to be dispersed by the wind. Formerly also: †= plumule, n. 1 (obsolete).
| 单词 | θ21867 |
| 释义 | the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > calyx > pappus or appendage on seed (7) plume1578 Botany. A feathery pappus or other appendage of a seed, which enables it to be dispersed by the wind. Formerly also: †= plumule, n. 1 (obsolete). pappe1657 The soft down of plants. Cf. pappus, n. 1. pappus1704 Botany. A downy or feathery appendage on certain fruits, esp. on the achenes of many plants of the family Asteraceae (Compositae), which assists… corona1753 Botany. An appendage on the top of a seed, as the pappus on that of a dandelion or thistle. coronule1806 Botany. An appendage like a small crown or coronet surmounting a seed, etc.: cf. corona, n.1 7a. coma1830 Botany. A tuft of silky hairs at the end of some seeds, as those of Epilobium. plumule1894 The plumose pappus of a seed. Obsolete. rare. |
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