Ontogeny of pistillate flowers and inflorescences in Nothofagus subgenus Lophozonia (Nothofagaceae) |
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Authors: | A C Rozefelds A N Drinnan |
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Institution: | (1) School of Botany, The University of Melbourne, Parkville, Australia, AU |
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Abstract: | Cupule and pistillate inflorescence morphology is described in detail for the first time for a number of species in Nothofagus subgenus Lophozonia. The architecture and temporal appearance of prophylls, flowers, and cupule valves is dichasial; the cupule valves are third
and higher order shoot systems. Comparative studies demonstrate that the dorsal rows of appendages on the cupule valves have
a similar arrangement, and each row exhibits the same temporal pattern of development. This suggests that the cupule valves
in all species have a modular construction and consist of rows of homologous appendages. This study clearly demonstrates the
uniform groundplan of the pistillate inflorescence in this subgenus.
Received March 14, 2002; accepted May 8, 2002 Published online: September 13, 2002 |
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Keywords: | : Lophozonia Nothofagus Nothofagaceae Fagus Fagaceae developmental morphology cupule inflorescence ontogeny |
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