Table 3.
Characters and scoring of the 18 morphological traits assessed with ancestral character estimations and the main references illustrating or discussing these characters.
| Characters | States | References |
|---|---|---|
| Habit | (0) caespitose; (1) creeping | 13, 71, 72 |
| Ramicauls | (0) non-proliferating; (1) proliferating | 13, 71, 72 |
| Ramicauls’ bracts | (0) unornamented-papyraceous; (1) ornamented; (2) unornamented-foliaceous | 40, 73 |
| Inflorescence | (0) simultaneously flowering; (1) successively flowering | 13, 39 |
| Inflorescence length | (0) shorter than leaves; (1) longer than leaves | 13, 39 |
| Flowers | (0) fully opening; (1) bud-like | 74 |
| Dorsal sepal concavity | (0) concave; (1) flattened | 16, 24 |
| Synsepal | (0) absent; (1) present | 13, 24, 30 |
| Sepal shape | (0) oblong-acute; (1) ovate-acuminate (2) ovate-acute | 13, 16, 24 |
| Petals shape | (0) dissimilar; (1) subsimilar | 13, 16, 30 |
| Lip shape | (0) laminar; (1) bilobed | 16, 24 |
| Lip motility | (0) motile; (1) sessile | 16, 26 |
| Glenion of the lip | (0) absent; (1) present | 40 |
| Appendix of the lip | (0) absent; (1) present | 24 |
| Column foot | (0) absent; (1) present | 13, 75 |
| Stigma shape | (0) entire; (1) bilobed | 40, 73 |
| Anther position | (0) ventral; (1) dorsal | 24 |
| Pollinaria-associated structures | (0) with caudicles; (1) with caudicles + viscidium | 17, 76 |