A revision of eastern Australian Bossiaea (Fabaceae: Bossiaeeae) Ian R. Thompson The University of Melbourne, Parkville, Victoria 3010, Australia; email:
[email protected] (Host institution for duration of project: National Herbarium of Victoria, Royal Botanic Gardens Melbourne, Birdwood Ave, South Yarra, Victoria 3141, Australia) Abstract Introduction A revision of eastern Australian Tribe Bossiaeeae (Fabaceae) is endemic in Australia and comprises Bossiaea (Fabaceae: Bossiaeeae) is seven genera and 101 species. The tribe has a widespread distribution presented. Five new species, Bossiaea in Australia, with most species occupying temperate and subtropical alpina, B. dasycarpa, B. obovata, B. peninsularis, and B. sericea, are latitudes. Morphological features defining the tribe include: stamens all described, B. rhombifolia subsp. fused into an adaxially open sheath, anthers all dorsifixed and uniform concolor is raised to the rank of in size, and seeds with a laterally connected and distinctively lobed aril. species as B. concolor, and B. cinerea Standard and wing petals are fundamentally yellow, but commonly also var. rigida is resurrected and raised to have reddish markings. the rank of species as B. tasmanica. Bossiaea cordifolia, B. decumbens, Bossiaea Vent. is morphologically diverse and is by far the largest genus B. distichoclada, and B. nummularia in tribe Bossiaeeae. It comprises 78 species (following the revision herein), are resurrected as species. An with centres of diversity in south-eastern Australia and south-western informal infrageneric classification Western Australia. Eastern species, with the exception of the desert-dwelling and keys to groups and species are species B. walkeri, generally occur in regions with annual rainfall greater presented, as well as illustrations, than about 500 mm and mostly form part of the shrubby understorey of images, and distribution maps.