
1) Dicot family 2) Family proteaceae 3) Magnoliopsid family 4) Protea family 
Found on 
https://www.crosswordclues.com/clue/proteaceae

 The Proteaceae iː are a family of flowering plants distributed throughout the Southern Hemisphere. The family comprises about 80 genera with about 1,600 species. Together with the Platanaceae and Nelumbonaceae, they make up the order Proteales. Well-known genera include Protea, Banksia, Embothrium, Grevillea, Hakea, Dryandra and Macadamia. Specie...
Found on 
http://en.wikipedia.org/wiki/Proteaceae

(from the article `Proteales`) order of dicotyledonous flowering plants that constitute two families: Proteaceae, with 75 genera and 1,300 species confined predominantly to the ... ...which consist of small, herbaceous plants that grow beneath the shrub canopy. The most colourful and conspicuous shrubs are heathers (Erica) and ... [...
Found on 
http://www.britannica.com/eb/a-z/p/122

(Adenanthos) A genus of some 30 specises  (Shrubs ) , confined to south western, Australia…
Found on 
http://www.encyclo.co.uk/local/10004

Proteaceae is a family of mostly trees and shrubs which occur principally in Australasia and South Africa.
Found on 
http://www.probertencyclopaedia.com/browse/BPA.HTM

[
n] - large family of Australian and South African shrubs and trees with leathery leaves and clustered mostly tetramerous flowers
Found on 
http://www.webdictionary.co.uk/definition.php?query=Proteaceae
family Proteaceae noun large family of Australian and South African shrubs and trees with leathery leaves and clustered mostly tetramerous flowers; constitutes the order Proteales
Found on 
https://www.encyclo.co.uk/local/20974
  No exact match found.