The species grow to between 0.5 2 m tall, with large inflorescences of small five-petalled flowers, creamy-white to pink-tinged in most species, dark pink in " F . rubra " . " Filipendula " fruit are unusual, sometimes described as an indehiscent follicle, or as an achene.
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In botany, a "'caryopsis "'( plural "'caryopses "') is a type of simple dry fruit & mdash; one that is monocarpellate ( formed from a single carpel ) and indehiscent ( not opening at maturity ) and resembles an achene, except that in a caryopsis the pericarp is fused with the thin seed coat.
