The distance across the heart of the flower as standing is the "CLOSURE" of the flower. A small closure can be found not only in true Classic Spiders, but also on a number of forms. Please view the illustrations below for an idea of what a small closure can effect visually even on large-petalled Exotic Forms.
GOLLIWOG
KAREN'S CURLS
Unintroduced EXTREME SPATULATE seedling
Baback in framey