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Multiple resprouting from diaspores and single cotyledons in the Australian tropical tree species Idiospermum australiense

Published online by Cambridge University Press:  25 September 2002

Will Edwards  and
Paul Gadek
Will Edwards
Affiliation:
School of Tropical Biology, James Cook University, Cairns, Australia 4878
Paul Gadek
Affiliation:
School of Tropical Biology, James Cook University, Cairns, Australia 4878
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Abstract

In 1999, Dalling & Harms simulated 100% above-ground herbivory on seedlings of Gustavia superba, a large-seeded species from Barro Colorado Island, Panama, and showed the remarkable ability for cotyledons to regenerate up to eight new shoots. They used this evidence to propose that cotyledon size (at least in this species)was adaptive in surviving pre- and early post-germination hazards (Dalling & Harms 1999). In this note we describe the first record of multiple resprouting in an Australian tropical plant species. Idiospermum australiense (Diels) S. T. Blake (Calycanthaceae) exhibits characteristics similar (but not identical) to G. superba that support the contention of Dalling & Harms (1999).

Keywords

Idiospermumlarge seedsmultiple resprouting
Type
SHORT COMMUNICATION
Information
Journal of Tropical Ecology , Volume 18 , Issue 6 , November 2002 , pp. 943 - 948
Copyright
© 2002 Cambridge University Press

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