0290919230
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  • AID0290919230
  • DOI10.1093/oxfordjournals.aob.a085666

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Article

A modification of flowering and phyllotaxis in Silene

Annals of Botany
527
Annals of Botany
Журнал с антэкологическими публикациями.
Oxford University Press · office@annbot.com

, 1979. V. 43. No. 5. P. 553–558
Modified proliferous flowers arose spontaneously in a small proportion of plants of Silene coeli-rosa growing in garden plots. The modified flowers consisted of leaves, arranged spirally with a mean divergence angle of 138.4° instead of the pentamerous arrangement of the normal flower, and sometimes also carpels which ranged from open structures with exposed ovules to follicle-like structures, free or fused, to fully fused carpels with free-central placentation. In the modified flowers petals and stamens were not formed. The primordia at initiation were intermediate in size (relative to the apical dome) between normal leaf and normal sepal primordia but were the same absolute size as the latter. The structure of these anomalous flowers is discussed in relation to the normal flowering process.

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