Botany. The folded arrangement of petals and sepals in a flower bud before it opens; = prefloration, n. Cf. vernation, n. 1.
| 单词 | θ21907 |
| 释义 | the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > flower-bud > aestivation (2) aestivation1783 Botany. The folded arrangement of petals and sepals in a flower bud before it opens; = prefloration, n. Cf. vernation, n. 1. prefloration1832 The folded arrangement of petals and sepals within an unexpanded flower; = aestivation, n. 2. |
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