Figure 1.
Danxiaorchis singchiana flowers and seeds.
(A) Flowers with a Y-shaped appendage (arrow) on the labellum. Bar = 1 cm. (B) Labellum with two sacs (arrows) at the base. Bar = 4 mm. (C) Column and labellum, side view. Bar = 4 mm. (D). Appendage of the labellum, side view. Bar = 2 mm. (E) Pollinarium, front view, showing pollinia (red arrows), caudicles (white arrows), and viscidium (yellow arrow). Bar = 1 mm. (F) Mature Seeds, showing abortive seed (yellow arrow). Bar = 5 mm.
Figure 2.
Danxiaorchis singchiana, J. W. Zhai, F. W. Xing et Z. J. Liu: (1) flowering plant; (2) flower, front view; (3) column and labellum, longitudinal section; (4) appendage of the labellum, side view; (5) seed; (6) ovary, cross section; (7) dorsal sepal, petal, and lateral sepal; (8) labellum, flattened; (9) pollinarium; (10) column, front view; (11) capsule.
Figure 3.
Bayesian consensus phylograms for the combined ITS, matK, and rbcL datasets and 59 morphological character matrix, including 72 genera of Orchidaceae.
The Bayesian PP (×100) is provided above the branches.
Figure 4.
Bayesian consensus phylogram for the combined ITS, matK, and rbcL datasets and 69 morphological character matrix, including 35 taxa of Calypsoeae.
Bayesian PP (×100) is given above the branches.
Figure 5.
Strict consensus phylogram of most parsimonious phylograms based on the ITS, matK, and rbcL datasets and 69 morphological character matrix, including 35 taxa of Calypsoeae.
The bootstrap values of the MP analysis are given above the branches. Tree length = 3023 steps; CI = 0.7291; RI = 0.8167.