Grevillea Species, Banks' Grevillea, Dwarf Silky Oak, Kahili Flower, Rain Flower, Red Silky Oak

Per the Resendiz Brothers Protea Growers in Fallbrook, CA.  https://resendizbrothers.com/ :
"Grevillea Banksii... also known as ...Read Morered silky oak, dwarf silky oak, Banks' grevillea, Byfield waratah, Kahili flower and Kahili tree. Beautiful, deep pink-red, spidery blooms grace the branch tips of this tree attracting hummingbirds and honeybees from miles away. Gorgeous blooms aren’t the only thing going for this Grevillea, its dark green, deeply divided foliage is amazing too!"

Grevillea banksii albiflora is a creamy-white version of this shrub I have growing. Flowers range in Reds, orange, yellows, pinks and whi...Read Moretes. Long flowering, quickgrowing, rounded, evergreen Australian native shrub. Hardy in frost-fee regions. An excellent bird attracting plant i.e. Rainbow Lorakeets, parrots, native birds.

Suited to well drained soils in full sun. For best results tip prune, removing finished flowers regularly. Mulch soil well. Suited for tropical gardens 2.5-3m high X 2 meters. Flowers most of the year, coastal planting.

It has similar leaves as the silky oak but doesn't grow as a tall tree.

Great looking tree with some of the best looking flowers in the Grevillea family. Flowers known to cause a dermatitis, so careful. Not ...Read Moresure how hardy this is, but at least can survive 9b well, and does great in Hawaii (11).

This flower is different from everything I know. Atracts birds, specially hummingbirds. The foliage can make it useful for textured gardens