S1. Holotype of Archaeamphora longicervia gen. et sp. nov. Li.
S2. Photo of A. longicervia tank, showing the ala and honey spoon area with reticulate venation.
S3. Photo of fluorescence in the honey spoon area, in the tank of A. longicervia.
S4. Photo of three specimens of A. longicervia, one showing phyllodia-like leaves.
S5. Comparative photos of A. longicervia, Sarracenia purpurea, and Heliamphora heterodoxa.
S6. Comparative photos of A. longicervia (with tubular pitcher bases on stem that has grooves and ridges) and photos of Sarracenia purpurea (the dried flower stalk has grooves and ridges).
S7. Photos of A. longicervia and Liaoningocladus, showing the morphological differences.
S8. Comparative photos of seeds of A. longicervia, Sarracenia sp., and Heliamphora sp.
S9. Photos of Heliamphora heterodoxa var exappendiculate, showing the honey spoon.
S10. Copy of Figures of porous glands, published in Juniper et al. (1989, p. 163). [Permission to use it as supplementary material will be requested from the publisher. This figure may be not necessary to be used as complementary document.]
Supplementary Note: S11. Discovery of oleanane in A. longicervia gen. et sp. nov. Li.