Dalechampia stipulacea presents the basal part of the tegmen which develops by intercalary growth, with few vascular bundles extend from the chalaza by postchalazal branching.
Hypostase development in Ornithogalum caudatum (Liliaceae) and notes on other types of modifications in the chalaza of angiospermous ovules.
5 mm, from anatropous ovules, have a chalaza
at the broad end of the seed and hilum at the narrow end.
is the region of the ovule where the nucellus, integuments, and funicle merge, and therefore usually encompasses a vascular bundle.
1985; Kolattukudy, 1980a, 1980b, 1981, 1984; Werker, 1980-1981) as well as the opening of the hilum valve (Hyde, 1954), the micropyle or chalaza
(Marchaim et al.
The seed is orthotropous because the hilum, the chalaza
, and the
Before the yolk weight was determined, the chalaza
was removed by spatula.