Complex sentence: It has slender carrot-shaped roots, leaves mostly consisting of nine leaflets, with one flower per stem which are subtended by none to two leafy bracts, two or three sepals, five to eight petals, and many stamens.
Split into simpler sentences: It has slender carrot-shaped roots, leaves mostly consisting of nine leaflets, with one flower per stem. The flower is subtended by none to two leafy bracts, and has two or three sepals, five to eight petals, and many stamens.