Table 2. Taxon sampling for all performed analyses.
The total number of species in each genus is presented in parenthesis after the genus identification. Voucher and origin are supplied for each specimen analysed for molecular psequences (nrDNA and cpDNA), karyotype and genome size approach.
| Genus | Species | Molecular1 | Karyotype | Genome Size | |||||
|---|---|---|---|---|---|---|---|---|---|
| Voucher | Origin | Voucher | Origin | Voucher | Origin | ||||
| Heterotaxis Lindl. (13 species) | |||||||||
| H. brasiliensis (Brieger & Illg) F.Barros | |||||||||
| Koehler 0150 | Brazil | AP 17 | Ubatuba, Brazil | AP 17 | Ubatuba, Brazil | ||||
| IBt 3244 | Paraty, Brazil | IBt 3244 | Paraty, Brazil | ||||||
| FZB 774 | Cultivated | IBt 322 | Brazil | ||||||
| IBt 13159 | Brazil | ||||||||
| IBt 4107 | Brazil | ||||||||
| H. discolor (Lodd. ex Lindl.) Ojeda & Carnevali | |||||||||
| Koehler 0311 | Brazil | - | - | - | - | ||||
| H. equitans (Schltr.) Ojeda & Carnevali | |||||||||
| Koehler 0141 | Brazil | - | - | ||||||
| IBt 979P | Brazil | IBt 979P | Brazil | IBt 979P | Brazil | ||||
| IBt 3931P | Belém, Brazil | IBt 3931P | Belém, Brazil | IBt 3931P | Belém, Brazil | ||||
| H. fritzii Ojeda & Carnevali | |||||||||
| Whitten 2672 | Colombia | - | - | - | - | ||||
| H. maleolens (Schltr.) Ojeda & Carnevali | |||||||||
| Atwood & Whitten 5055 | Honduras | - | - | - | - | ||||
| H. santanae (Carnevali & I. Ramírez) Ojeda & Carnevali | |||||||||
| Whitten 6725 | Ecuador | - | - | - | - | ||||
| H. sessilis (Lindl.) F. Barros | |||||||||
| Atwood & Whitten 5065 | Jamaica | - | - | - | - | ||||
| H. superflua (Rchb.f.) F. Barros | |||||||||
| Koehler 0153 | Brazil | IBt 2336 | Juruena, Brazil | IBt 2336 | Juruena, Brazil | ||||
| AP 76 | Manaus, Brazil | AP 76 | Manaus, Brazil | ||||||
| H. valenzuelana (A.Rich.) Ojeda & Carnevali | |||||||||
| Koehler 0263 | Brazil | IBt 3177 | Serra dos Órgãos, Brazil | IBt 3177 | Serra dos Órgãos, Brazil | ||||
| IBt A457 | Camanducaia, Brazil | IBt A457 | Camanducaia, Brazil | ||||||
| IBt A843 | Cananéia, Brazil | IBt A843 | Cananéia, Brazil | ||||||
| H. villosa (Barb. Rodr.) F. Barros | |||||||||
| Koehler 0367 | Brazil | IBt 3934P | Belém, Brazil | IBt 3934P | Belém, Brazil | ||||
| H. violaceopunctata (Rchb.f.) F.Barros | |||||||||
| Koehler 0129 | Brazil | IBt 10110 | Rondonia, Brazil | IBt 10111 | Rondonia, Brazil | ||||
| IBt 11518 | Cultivated | IBt 11518 | Cultivated | ||||||
| IBt 11519 | Cultivated | ||||||||
| IBt 1713 | Brazil | ||||||||
| Nitidobulbon Ojeda, Carnevali & GARomero (3 species) | |||||||||
| N. cymbidiodes (Dodson, J.T. Atwood & Carnevali) Ojeda & G.A. Romero | |||||||||
| Atwood & Whitten 5067 | Ecuador | - | - | - | - | ||||
| N. nasutum (Rchb. f.) Ojeda & Carnevali | |||||||||
| Koehler 0261 | Brazil | - | - | - | - | ||||
| N. proboscideum (Rchb. f.) Ojeda & Carnevali | |||||||||
| Atwood & Whitten 5056 | Venezuela | - | - | - | - | ||||
| Ornithidium Salisb. ex. R.Br. (35 species) | |||||||||
| O. adendrobium (Rchb. f.) M.A. Blanco & Ojeda | |||||||||
| Dressler 4231 | Panama | - | - | - | - | ||||
| O. coccinea (Jacq.) Salisb. ex R. Br. | |||||||||
| Atwood & Whitten 5092 | Puerto Rico | - | - | - | - | ||||
| O. conduplicatum Ames & C. Schweinf. | |||||||||
| Blanco 1660 | Costa Rica | - | - | - | - | ||||
| O. fulgens Rchb. f. | |||||||||
| Whitten 2630 | Panama | - | - | - | - | ||||
| Outgroup | |||||||||
| Brasiliorchis picta (Hook.) R.B. Singer, S. Koehler & Carnevali | |||||||||
| Koehler 0337 | Brazil | - | - | - | - | ||||
| Cryptocentrum latifolium Schltr. | |||||||||
| Whitten 2349 | Ecuador | - | - | - | - | ||||
| Inti bicallosa (Rchb.f.) M.A.Blanco | |||||||||
| Whitten 2748 | Ecuador | - | - | - | - | ||||
| Mapinguari desvauxiana (Rchb. f.) Carnevali & R.B. Singer | |||||||||
| Koehler 1585 | Brazil | - | - | IBt 2367 | Paraty, Brazil | ||||
| IBt 3961 | Jeriquara, Brazil | ||||||||
| IBt 4119 | Peruíbe, Brazil | ||||||||
| IBt 807 | Cananéia, Brazil | ||||||||
| Xylobium zarumense Dodson | |||||||||
| Whitten 1881 | Ecuador | - | - | - | - | ||||
1 –All data used in Phylogeny analysis were published by [29] and downloaded from GenBank (S2 Table), except the sequences for H. equitans IBt 979P and IBt3931P that were obtained here. Collection: FZB—Fundação ZooBotânica de Porto Alegre/RS, Brazil; IBt—Instituto de Botânica de São Paulo/SP, Brazil; AP–plants collected by Ana Paula Moraes with field study authorization by SISBIO/Brazil (37013–1 and 37417–1).