Ovule syntropous

Ovules syntropous (versus antitropous in Zygophyllaceae this study Nair and Jain, 1956 Narayana and Prakasa Rao, 1962,1963 Li and Tu, 1994)... 

Syntropous Ovule, in which the direction of curvature is the same as the direction of carpel closure (Fig 8.3A, see also Endress, 1994), more or less corresponding to apotropous (sensu Agardh, 1858). 

Ovules are most commonly anatropous, bitegmic and crassinucellar in rosids. In Sapindales and other malvids there is a tendency for the inner integument to be thicker than the outer (Endress and Matthews, 2006 Endress, 2010), a featine not present in Nitrariaceae. A long funicle, such as in Nitrariaceae, is especially frequent in Anacardiaceae. Interestingly, both families have syntropous ovules and... 

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