''Conospermum crassinervium'', commonly known as the summer smokebush or tassel smokebush, is a shrub endemic to Western Australia. The tufted non-lignotuberous shrub typically grows to a height of . It blooms between October and April producing white flowers. It has an upright habit and produces about 25 flowering stems per plant which produce white flowers mostly during summer between December and February. The shrub grows fairly slowly and forms flowers in a corymb arrangement forming a tassel. The species was first formally described by the botanist Carl Meissner 1856 as part of Augustin Pyramus de Candolles work ''Proteaceae. Prodromus Systematis Naturalis Regni Vegetabilis''. The only synonym is ''Conospermum crassinervium''. It is found on hill slopes and sand plain areas in the Wheatbelt and

Swan Coastal Plain The Swan Coastal Plain in Western Australia is the geographic feature which contains the Swan River as it travels west to the Indian Ocean. The coastal plain continues well beyond the boundaries of the Swan River and its tributaries, as a geol ...

regions of Western Australia where it grows in sandy soils often over

laterite Laterite is both a soil and a rock type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. Nearly all laterites are of rusty-red coloration, because of high iron oxide content. They develop by ...

or limestone. The plant is suitable for the production of cut flowers although the yield is low. The flowers also dry well.

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* crassinervium Endemic flora of Western Australia Eudicots of Western Australia Plants described in 1856 Taxa named by Carl Meissner {{proteaceae-stub