Are both Derwentia and Elsholtzia endemic to Australia?
Derwentia (plant) Derwentia was a genus of flowering plants that is endemic to Australia.
Grevillea diversifolia Grevillea diversifolia, the variable-leaved grevillea, is a shrub in the family Proteaceae. It is endemic to the south-west of Western Australia. It has an erect or spreading shrub habit, growing to between 1 and 5 metres in height and has a peak flowering period between July and October (mid winter to mid spring) in its native range.