| Filaments thread-like, much longer than the linear-oblong blunt anthers, which are fixed by a point above the base and extrorse. |
| These pitchers are extrorse, and according to habitat can be red, green, yellow, or orange, and are as long as 21 cm. |
| Anthers are juxtaposed, included in the corolla, extrorse and open longitudinally. |
| Anthers heart-shaped or kidney-shaped, confluently 1-celled, shield-shaped after opening, extrorse. |
| The whole perianth was colored, the anther dehiscence was extrorse, the stigma was subulate, and the perianth was hexamerous. |
| These pollen sacs can face outward, in which case the stamens are called extrorse, or inward, in which case the stamens are called introrse. |
