purple loosestrife

apex base bracts branched branches broad broadly calyx capsule clasping clawed clusters composed crumple cuneate cymes densely different edges entire erect flat flowers fluffed genus green hairy heart herbs kirkelike kuricatorius lanceolate large leaves length lilac long loosestrife lying lythrum many needle obtuse opposite outside oval ovary ovate part peduncles perennial pointed purple red resembling rhizomes round rounded salicaria sessile shaped short slightly small sometimes spikes stem stems stout style triangular tube underground upper usually whorled