Table 1.

Taxonomic revisions of the former genera Amerorchis, Aceratorchis, Chondradenia, Diphylax and Tsaiorchis, plus a nomenclatural update on the former genus Piperia

(a) Former genera Amerorchis, Aceratorchis and Chondradenia

Galearis rotundifolia (Banks ex Pursh) R.M.Bateman, comb. nov.

Basionym: Orchis rotundifolia Banks ex Pursh, Fl. Amer. Sept., 2: 588 (1814).

Synonyms: Habenaria rotundifolia (Banks) Richardson, In Franklin: Journey: 750 (1823); Platanthera rotundifolia (Banks) Lindl., Gen. Sp. Orchid.: 292 (1835); Amerorchis rotundifolia Hultén, Ark. Bot. ser. 2, 7: 34 (1968).

Galearis tschiliensis* (Schl.) P.J.Cribb, S.Gale & R.M.Bateman, comb. nov.

Basionym: Aceratorchis tschiliensis Schl., Rep. Spec. Nov. Regni Veg. Beih. 12: 329 (1922).

Synonyms: Orchis aceratorchis von Soó, Ann. Nat. Hist. Mus. Natl. Hung. 26: 350 (1929); Orchis tschiliensis (Schl.) von Soó, Ann. Nat Hist. Mus. Natl. Hung. 26: 351 (1929).

Galearis fauriei* (Finet) P.F.Hunt, Kew Bull. 26: 172 (1971).

Basionym: Orchis fauriei Finet, J. de Bot.1808: 340 (1898).

Synonyms: Chondradenia yatabei Maxim., Cat. Species Herb. Imp. Univ.: 287 (1886), nomen nudum ex Makino, Bot. Mag. (Tokyo)16: 8 (1902); Orchis yatabei (Maxim.) Makino. Ill. Fl. Jap.: 704 (1948); Chondradenia fauriei (Finet) T.Sawada, J. Jap. Bot. 10: 78 (1934), nomen nudum, ex F.Maekawa, Wild orch. Jap. col.: 456, 107 (1971).

Galearis doyonensis* (Handel-Mazzetti) P.F.Hunt, Kew Bull.26: 171 (1971).

Basionym: Orchis doyonensis Handel-Mazzetti, Symbolae Sinicae, Anthophyta 7: 1234 (1936).

Synonyms: Galeorchis doyonensis (Handel-Mazzetti) von Soó, Act. Bot. Acad. Sci. Hung. 12: 352 (1966); Chondradenia doyonensis (Handel-Mazzetti) Vermeulen, Jber. Naturwiss. Ver. Wuppertal25: 36 (1972); Platanthera roseotincta (W.W.Smith) T.Tang & F.T.Wang, Bull. Fan Mem. Inst., Bot. 10 (1940): 30 (see Lang et al., 1999).

(b) Former genus Piperia (supplement to revision by Bateman in Bateman et al., 2003)

Platanthera unalascensis (Spreng.) Kurtz, Bot. Jahrb.19: 408 (1894).

Basionym: Spiranthes unalascensis Spreng., Systema Vegetabilium3: 708 (1826).

Synonyms: Herminium unalasc(hk)ense (Spreng.) Rchb.f., Icon. Fl. Germ. Helv.13–14: 107 (1838); Platanthera foetida Geyer ex Hook.f., J. Bot. Kew Misc.7: 376 (1855); Habenaria unalasc(h)ensis (Spreng.) S.Wats., Proc. Amer. Acad. Arts12: 277 (1877); Piperia unalasc(h)ensis (Spreng.) Rydberg, Bull. Torrey Bot. Club28: 270 (1901a).

Platanthera ephemerantha* R.M.Bateman, nom. nov.

Synonyms: Piperia candida R.Morgan & Ackerman, Lindleyana5: 207 (1990); Platanthera candida (R.Morgan & Ackerman) R.M.Bateman, nom. illegit., Bot. J. Linn. Soc.142: 21 (2003) (illegitimate homonym of Platanthera candida Lindl., Gen. Spec. Orchid. Pl.: 295 (1835).

Etymology: Gr. ephemera (transient) and Gr. anthus (flower): ‘The flowers in Piperia candida are more completely white and more ephemeral than in any other member of the genus’ (Ackerman, 2002, p. 574). The holotype of ‘Piperia’ candida is retained, following Article 72.1a of the ICBN.

(c) Former genera Diphylax and Tsaiorchis

Platanthera urceolata (Hook.f.) R.M.Bateman, comb. nov.

Basionym: Diphylax urceolata Hook.f., in Hook.f. Icon., pl. xix (1889).

Synonym: Habenaria urceolata (Hook.f.) C.B.Clarke, J. Linn. Soc. Bot.25: 73 + t30 (1889) ex Hook.f., Fl. Brit. Ind. 6: 165 (1896).

Platanthera uniformis?* T.Tang & F.T.Wang, Bull. Fan Mem. Inst. Biol. Bot., 10: 28 (1940).

Synonym: Diphylax uniformis (T.Tang & F.T.Wang) T.Tang, F.T.Wang & K.Y.Lang, Bot. Res., Inst. Bot. (Beijing), 4: 11 (1989).

Platanthera contigua?* T.Tang & F.T.Wang, Bull. Fan Mem. Inst. Biol. Bot., 10: 31 (1940).

Synonym: Diphylax contigua (T.Tang & F.T.Wang) T.Tang, F.T.Wang & K.Y.Lang, Vasc. Pl. Hengduan Mount., 2: 2526 (1994).

Platanthera neottianthoides* (T.Tang & F.T.Wang) R.M.Bateman & P.J.Cribb, comb. nov.

Basionym: Tsaiorchis neottianthoides T.Tang & F.T.Wang, Bull. Fan Mem. Inst. Biol. Bot., 7: 131 (1936).

* Species have not yet been subjected to molecular analysis.