n any shrub or tree of the genus Banksia having alternate leathery leaves apetalous yellow flowers often in showy heads and conelike fruit with winged seeds
3
Of or pertaining to a natural order of apetalous plants (Polygonaceae), of which the knotweeds (species of Polygonum) are the type, and which includes also the docks (Rumex), the buckwheat, rhubarb, sea grape (Coccoloba), and several other genera.
4
Of or pertaining to the Proteaceae, an order of apetalous evergreen shrubs, mostly natives of the Cape of Good Hope or of Australia.
5
A combining form or prefix signifying four, as in tetrabasic, tetrapetalous. A combining form (also used adjectively) denoting four proportional or combining parts of the substance or ingredient denoted by the term to which it is prefixed, as in tetra-chloride, tetroxide.
