Pseudorhipsalis Britton & Rose

Pollen.

pantocolpate, radially symmetrical, isopolar with circular contour in polar view. Shape: oblate-spheroidal (P/E=0.99). Apertures: 12, brevicolpate, small; polar area large (PAI=0.62). Measurements: pollen grains large, (73.59)81.71(93.64) × (76.00)81.23(86.72) μm in equatorial view; exine thickness (2.85)3.19(3.48) μm . Exine: marginated. Ornamentation: smooth surface with tectum perforate, ornated with spinules of (0.64)0.78(0.99) μm length × (0.39)0.48(0.54) μm diameter in base; perforations (0.05)0.11(0.19) μm in diameter (Figure 4H).

Species examined.

Pseudorhipsalis amazonica (K. Schum.) Ralf Bauer (Ecuador, Napo. E. Gudiño 145 MEXU).