Anew Name in the Terrestrial Orchid Genus Pterostylis R.Br. (Orchidaceae) for Victoria, Australia

2007·0.26 MB·English

by  Gary N Backhouse

Contributions
Anew name in the terrestrial orchid genus Pterostylis R.Br.
(Orchidaceae) for Victoria, Australia
Gary N Backhouse
DepartmentofSustainabilityandEnvironment,BiodiversityandEcosystemServicesDivision
8NicholsonStreet,EastMelbourne,3002.Email:Gary.Backhouse{^,dse.vie.gov.au
Abstract
A new name, Pterostylisjonesii G.N. Backh., is provided to replace the illegitimate combination
Pterostylismontana(D.L.Jones)G.N. Backh.{TheVictorianNaturalist124(6),2007,341).
Introduction Acknowledgements
pInroaproesceedntspeuvbelriaclatinoenw(Bcaocmkbhionuastei2o0n0s7)f,orI HIearmbagrriautmefouflNtoewDrSoPuettherWaWleesst,onf,orNpaotiinotnianlg
species of terrestrial orchids originally out the error in the proposed new combination
forBunochilusmontanus and forsuggestingthe
described in Arachnorchis (Jones 2006a) alternative name ofPterostylisJonesii; and to
(= Caladenia; Hopper and Brown 2004a) Peter Weston and Neville Walsh, National
and Bunochilus (Jones 2006b) (= Ptero- Herbarium ofVictoria, for comments on the
stylis; Hopper and Brown 2004b) in 2006. paper.
Afterpublieationofthenewcombinations, it References
waspointed outto methatone-Pterostylis BackhouseGN(2007)Newcombinationsintheterres-
montana (D.L. Jones) G.N. Backh. -was in trial orchid genera Caladenia R.Br. and Pterostylis
fact a homonym (a taxonomic name identi- RV.iBctro.ri(aOnrNcahtiudraaleiesate)124f,or12V3i-ct1o2r4i.a, Australia. The
cal to one previously applied to a different Hatch E(1949)TheNewZealandformsotPterostylis
species) and therefore illegitimate, as R.Br. Transactions andProceedings ofthe Royal
Pterostylismontana Hatchhadalreadybeen HoSpocpieertySofaNnedwBZreoalwanndA77(.2203044-a2)46R.obert Brown’s
named and described from New Zealand Caladeniarevisited, includingarevisionofitssister
(Hatch 1949). A new name is therefore genera Cyanicula. Ericksonella and Pheladenia
(Caladeniinae: Orchidaceae). Australian Systematic
required to accommodate Bimochilus mon- Sotow17, 171-240.
tanus D.L. Joneswithin Pterostylis R.Br. as Hopper S and Brown A (2004b) Robert Brown's
Bimochilus is not recognised as a distinct Caladeniaand Pterostylis revisited. The Orchadian
genus by the National Herbarium of Jo6n,es184D-L186(.2006a) Miscellaneous new species of
Victoria (Walsh and Stajsic 2007), the cen- AustralianOrchidaceae.Australian OrchidResearch
tral source ofplant nomenclature for the Jo5n,es45D-1L11(.2006b) Towards a revision ofBunochilus
State. D.L. Jones & M.A. Clem. Australian Orchid
Re.search5. 112-142.
New name Walsh N and Stajsic V (2007) A Census ofthe
PterostylisjonesiiG.N. Backh.,nom. nov. VascularPlants ofVictoria, 8 ed. (Royal Botanic
Gardens:Melbourne)
Basionym: Bunochilus montanus D.L.
Jones, Australian Orchid Research 5, 1 18
(2006). Pterostylis montana (D.L. Jones)
G.N. Backh., The Victorian Naturalist 24, Received26July2007:accepted20September2007
123-124 (2007), nom. illeg. non
Pterostylis montana Hatch, Transactions
and Proceedings ofthe Royal Society of
NewZealand77,239 (1949).
The new epithet honours David L Jones,
recently retired from the CSIRO Centre for
Plant Biodiversity Research, Canberra, and
leading authority in the taxonomy of
Australian orchids, who originally described
thisspeciesasBunochilusmontanus.
Vol. 123 (6) 2006 341