Annals of Botany 71: 343-345, 1993
© 1993 Annals of Botany Company
How Tough are Sclerophylls?
Department of Botany and Department of Anatomy, National University of Singapore, Singapore 0511
Fracture toughness was estimated for a 'least tough' path in the leaves of woody species from three sclerophyllous plant communities. Most of the species from Mediterranean, tropical heath forest and lowland tropical rain forest habitats had very tough leaves, with toughness generally 600-1300 J m-2, which is two to four times higher than soft-leaved tropical pioneer trees. The toughest leaf (2032 J m-2), Parishia insignis, came from the canopy of the lowland rain forest. Leaves from the shaded understorey of the rain forest did not appear any less tough than those from the canopy.Copyright 1993, 1999 Academic Press
Leaf fracture toughness, sclerophylly, Mediterranean vegetation, tropical forest
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