Table 1.
Distribution of glands, canal types and particular chemical constituents in Hypericum perforatum.
| Secretory Structures | Sepals | Petals | Stamens | Pistil | Leaf | Stem | Root | Reference |
|---|---|---|---|---|---|---|---|---|
| Translucent Glands | + | + | − | − | + | − | − | 25, 28 |
| Dark Glands | + | + | + | − | + | + | 26-28 | |
| Type A canals | + | + | − | + | + | + | + | 25 |
| Type B canals | + | + | − | − | − | + | − | 25 |
| Type C canals | − | − | − | + | − | − | − | 25 |
| Chemical Constituents | ||||||||
| Hypericin/ Pseudohypericin1 |
+ | + | + | + | + | + | − | 1, 27 |
| Hyperforin2 | + | + | ? | + | + | ? | ? | 28, 38 |
1
Only detected in dark glands
2
Only detected in translucent glands