Abstract
The ovules of Spondias purpurea are slightly campylotropous, bitegmic, crassinucellate, pendulous, and with a special funicular pro-tuberance on a well developed funicle. During anthesis the ovules accumulated callose and lignin in a group of nucellar cells con-tiguous to the chalazal end of the embryo sac. In the field, pollination is not a limiting factor for setting fruit, and abortion of ovules and seeds is not caused by a lack of pollen. The main stage of ovule abortion occurs in preanthesis, and these abortive ovules do not develop a nucellus nor an embryo sac. A second stage of abortion occurs four to five weeks after anthesis. The total percentage of abortion of ovules varies from 55% to 84%. The mature embryo is straight with a short axis (5% to 10% of the total length of the embryo).
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