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Table 1. The continuum proposed to account for varying degrees of recalcitrance (Farrant et al., 1988).

Types of Recalcitrance

Fair amount of water loss tolerated

Moderate account of water loss tolerated

Little water loss tolerated

Germination slow in absence of additional water

Moderate germination rate in absence of additional water

Fast germination in absence of additional water

Minimum

Moderate

High

Lower temperature tolerated

Most species are temperature sensitive

Most species temperature sensitive

Temperate/tropical distribution

Ex.: Quercus, Araucária, Podocarpus

Tropical distribution Ex.: Theobroma, Hevea

Inhabit tropical forests and wetlands.

Ex.: Avicennia marina, Syzygum sp.

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