Abstract
In this paper we present the first results concerning the embryology of Chrysobalanaceae. In it, we document developmental features of anthers, ovules, seeds and gametophytes ofChrysobalanus andLicania (tribe Chrysobalaneae). Based on our results with these two genera, Chrysobalanaceae have a distinctive combination of embryological features. They differ from Rosaceae (in which Chrysobalanaceae were once placed as a tribe or subfamily) in having a tenuinucellate ovule, a small nucellus with the tissue soon disintegrating, and an endothelium. None of our embryological of Rosales, or with other groups such as Fabaceae or Myrtales, which have also been suggested as relatives. We propose, based upon the evidence from embryology, vegetative features, and reproductive morphology, that Chrysobalanaceae might best be placed in the order Theales, probably near the family Theaceae.
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Tobe, H., Raven, P.H. An embryological contribution to systematics of the Chrysobalanaceae I. Tribe Chrysobalaneae. Bot Mag Tokyo 97, 397–411 (1984). https://doi.org/10.1007/BF02488671
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DOI: https://doi.org/10.1007/BF02488671