Some stigmas, as those of Mimulus, present sensitive flattened laminae, which close when touched.
In Asclepiadaceae the stigmas are united to the face of the anthers, and along with them form a solid mass.
Adhesion is well seen in the gynostemium of orchids, where the stamens and stigmas adhere.
- Syncarpous Pistil of Flax (Linum), consisting of five carpels, united by their ovaries, while their styles and stigmas are separate.
90), and in this case, when the ovaries form apparently a single body, the organ receives the name of compound ovary; or the union may take place by the ovaries and styles, while the stigmas are disunited; or by the stigmas and the summit of the style only.