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- Title
Identification and characterization of the water gap in physically dormant seeds of Geraniaceae, with special reference to Geranium carolinianum.
- Authors
Gama-Arachchige, N. S.; Baskin, J. M.; Geneve, R. L.; Baskin, C. C.
- Abstract
Background and Aims: Physical dormancy in seeds of species of Geraniaceae is caused by a water-impermeable palisade layer in the outer integument of the seed coat and a closed chalaza. The chalazal cleft has been reported to be the water gap (i.e. location of initial water entry) in innately permeable seeds of Geraniaceae. The primary aim of this study was to re-evaluate the location of the water gap and to characterize its morphology and anatomy in physically dormant seeds of Geraniaceae, with particular reference to G. carolinianum.
- Subjects
GERANIACEAE; SEED dormancy; SEED anatomy; SEED morphology; ERODIUM
- Publication
Annals of Botany, 2010, Vol 105, Issue 6, p977
- ISSN
0305-7364
- Publication type
Article
- DOI
10.1093/aob/mcq078