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FLOWER STRUCTURE AND DEVELOPMENT IN TUPIDANTHUS CALYPTRATUS (ARALIACEAE): AN EXTREME CASE OF POLYMERY AMONG ASTERIDSстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
- Авторы: Sokoloff D.D., Remizowa M.V., Nuraliev M.S., Oskolski A.A.
- Журнал: Plant Systematics and Evolution
- Том: 268
- Номер: 1-4
- Год издания: 2007
- Издательство: Springer Verlag
- Местоположение издательства: Germany
- Первая страница: 209
- Последняя страница: 234
- DOI: 10.1007/s00606-007-0559-5
- Аннотация: Flowers of Tupidanthus show an extreme case of floral polymery among asterids. Floral development and gynoecium structure have been examined. The floral meristem has a complex folded shape. The tiny calyx is initiated as a continuous ring primordium. The corolla is initiated as a lobed ring and develops into a calyptra. All stamen primordia appear simultaneously as a single whorl. The carpels, also in a single whorl, tend to alternate with the stamens. Some Schefflera species related to Tupidanthus are also studied. The flower of Tupidanthus is interpreted as a result of fasciation. Further investigation should determine whether mutation(s) in gene(s) of the CLAVATA family are responsible for the fasciation here. The significance of Tupidanthus for understanding spatial pattern formation in flowers of Araliaceae, and both functional and developmental constraints in angiosperm flowers with a single polymerous carpel whorl are discussed.
- Добавил в систему: Нуралиев Максим Сергеевич