116 Ovule curvature (0) anatropous (or nearly so), (1) orthotropous (including hemitropous
Each chamber has with a solitary, hemitropous
ovule on an axile placentum.
The same occurs with Butia capitata, which presents a third type of ovule; hemitropous
. These species were described by Uhl and Moore (1971), in that period, as belonging to the subfamily Cocosoideae (Potztal, 1964), but today they are included in the Tribe Cocoseae and Attalea, Butia and Syagrus the Subtribe Attaleinae (Dransfteld et al., 2008).
Ovules 1 to many in each locule, anatropous to hemitropous
, or amphitropous; unitegmic, simple, tenuinucellar or pseudocrassinucellar (in Asclepiadaceae), usually without an integumentary tapeturn; endosperm development usually nuclear, rarely cellular.