Assertion: passion flower blossom | /r/CapableOf | produce at its upper border
Facets:
Source sentences:
text: The passion-flower blossom varies in form from a shallow saucer shape to a long cylindrical or trumpet-shaped tube, producing at its upper border five sepals, five petals, and many threadlike or membranous outgrowths from the tube, which constitute the most conspicuous and beautiful part of the flower, called the corona.