2 Citations
Figure 1. Comparison of the floral details of Polygala petricola J.F.B.Pastore, sp. nov., and P. rigida A.St.- Hil. & Moq. A and A′, Bract; B and B′, bracteole; C and C′, two superior outer sepals; D and D′, inferior outer sepal; E and E′, one of the two inner sepals (wings); F and F′, keel; G and G′, opened crest; H and H′, androecium and lateral petals; I and I′, gynoecium. A–I, Polygala petricola (Paiva et al. 1632, CTBS). A′–I′, Polygala rigida (Oliveira et al. 6161, CTBS). Photographs by J. F. B. Pastore.