Notes on Boronia (Rutaceae) in eastern and northern Australia

Abstract

Boronia Sm. sections Boronia and Cyanothamnus (Lindl.) F.Muell, are revised for South Australia, Queensland, New South Wales, Victoria and Tasmania with the exception of B. anemonifolia A.Cunn., B. coerulescens F.Muell., B. inornata Turcz, and B. rigens Cheel. Twenty-one taxa are described as new, these being B. barkeriana F.Muell. subsp. angustifolia Duretto, B. barkeriana subsp. gymnopetala Duretto, B. citriodora Gunn ex Hook.f. subsp. orientalis Duretto, B. citriodora subsp. paulwilsonii Duretto, B. deanei Maiden and Betche subsp. acutifolia Duretto, B. elisabethiae Duretto, B. hemichiton Duretto, B. hippopala Duretto, B. imlayensis Duretto, B. inflexa Duretto, B. inflexa subsp. grandiflora Duretto, B. inflexa subsp. montiazura Duretto, B. inflexa subsp. torringtonensis Duretto, B. montimulliganensis Duretto, B. occidentalis Duretto, B. pilosa Labill. subsp. parvidaemonis Duretto, B. pilosa subsp. tasmanensis Duretto, B. pilosa subsp. torquata Duretto, B. rozefeldsii Duretto, B. warangensis Duretto, and B. yarromerensis Duretto. Boronia gunnii Hook.f. is reinstated and taxa are lectotypified where necessary. Within B. section Valvatae (Benth.) Engl., B. beeronensis Duretto, B. grimshawii Duretto, and B. gravicocca Duretto are newly described and types are identified for B. keysii Domin, B. ledifolia var. repanda F.Muell. ex Domin, B. rosmarinifolia A.Cunn. ex Endl. and B. rubiginosa Endl. Keys are provided for all taxa. The two fossil taxa, B. harrisii Ett. and B. hookeri Ett., are also discussed.