Are both Derwentia and Elsholtzia endemic to Australia?
Derwentia (plant) Derwentia was a genus of flowering plants that is endemic to Australia.
Banksia elegans Banksia elegans, commonly known as the elegant banksia, is a species of woody shrub in the genus "Banksia" of the family Proteaceae. Reaching 4 m (13 ft) high, it is a suckering shrub which rarely reproduces by seed. The round to oval yellow flower spikes appear in spring and summer. Swiss botanist Carl Meissner described "Banksia elegans" in 1856. It is most closely related to the three species in the subgenus "Isostylis". It occurs only over a 65 square kilometre area north and west of Eneabba, Western Australia.