0290919870
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  • AID0290919870
  • DOI10.1093/oxfordjournals.aob.a087930
Article

Floral Development in Sonja White Clover (Trifolium repens) a Papilionoid Legume

, Walker N.
1
Walker N.
Scientists

, 
Annals of Botany
536
Annals of Botany
Журнал с антэкологическими публикациями.
Oxford University Press · office@annbot.com

, 1990. V. 65. No. 3. P. 241–249
Floral development in Sonja white clover was examined using scanning electron microscopy. Florets and bracts were found to arise from common primordia initiated as protuberances from the apical meristematic area of the inflorescence. The pattern of floret initiation on the inflorescence was acropetal, the oldest florets resting basally. Floral organ initiation within each floret was acropetal, petals being initiated before stamens. Floret development was zygomorphic, each whorl of floral organs developing unidirectionally from the abaxial side. There was found to be overlapping in the timing of initiation and development of these organs. Antesepalous stamens were found initially to outgrow their antepetalous counterparts. Early petal development was synpetalous. Eglandular hairs were found basally on the calyx cup and on the pedicel. Procumbent hairs were found to be more numerous and randomly distributed on the abaxial surfaces of the mature calyx cup.

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