New species from the Leucopogon pulchellus group (Ericaceae: Styphelioideae: Styphelieae)
Five new species and one new subspecies of Leucopogon R.Br. (L. audax Hislop, L. corymbiformis Hislop, L. darlingensis Hislop, L. decrescens Hislop, L. subsejunctus Hislop and L. darlingensis subsp. rectus Hislop) are described, illustrated and mapped. Aspects of the morphology and taxonomy of the informal Leucopogon pulchellus Sond. group are discussed and an interim key is provided to distinguish between the five informal groups and other unplaced species of Leucopogon s. str. from Western Australia.