Key points are not available for this paper at this time.
Paul A. Opler, Herbert G. Baker, Gordon W. Frankie, Plant Reproductive Characteristics during Secondary Succession in Neotropical Lowland Forest Ecosystems, Biotropica, Vol. 12, No. 2, Supplement: Tropical Succession (Jun., 1980), pp. 40-46
Opler et al. (Sun,) studied this question.