The section of carnation shows the leaf anthers. One is in the process of doubling.
The Resin Spurge (Euphorbia resinifera) is a flowering plant that superficially resembles a cactus.…
Illustrated is a section of flower of the turban squash. It shows the ovary inside the hollowed receptacle.
"Sections of flowers of the toad-flax (Linaria vulgaris). A, front view; a, anthers; s, stigma; n, nectar-gland.…