And open it, so that it is a glittering, rosy, moist, honied, heavy-petalled four-petalled flower.    From Wordnik.com.  [Archive 2007-04-01] Reference

By chance it was Welsh woollen cloth, patterned in a regular array of crude four-petalled flowers in a dim blue; many of its kind found their way into English homes through the market of Shrewsbury.    From Wordnik.com.  [The Holy Thief]

It is associated with the colour red, and is symbolised by a four-petalled lotus flower.    From Wordnik.com.  [EzineArticles] Reference

I don't see what mingling is meant, except that it is just like Erica tetralix in the leaf, only, apparently, having little four-petalled pinks for blossoms.    From Wordnik.com.  [Proserpina, Volume 2 Studies Of Wayside Flowers] Reference

Mistletoe flowers from February to April, with very small, inconspicuous, four-petalled sprigs, but it's the berries - from November into the New Year - that make it interesting.    From Wordnik.com.  [Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph] Reference