Term: lesser knapweed: a weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized
Broader: knapweed: any of various plants of the genus Centaurea having purple thistlelike flowers | Unrelated: jaunting car: an open two-wheeled one-horse cart formerly widely used in Ireland
Broader: knapweed: any of various plants of the genus Centaurea having purple thistlelike flowers | Unrelated: winter heath: dwarf European shrub with very early blooming bell-shaped red flowers
Broader: knapweed: any of various plants of the genus Centaurea having purple thistlelike flowers | Unrelated: castrato: a male singer who was castrated before puberty and retains a soprano or alto voice
Broader: knapweed: any of various plants of the genus Centaurea having purple thistlelike flowers | Unrelated: apostle: any important early teacher of Christianity or a Christian missionary to a people
Broader: knapweed: any of various plants of the genus Centaurea having purple thistlelike flowers | Unrelated: dihybrid: a hybrid produced by parents that differ only at two gene loci that have two alleles each
Broader: knapweed: any of various plants of the genus Centaurea having purple thistlelike flowers | Unrelated: aphelion: apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun
Broader: knapweed: any of various plants of the genus Centaurea having purple thistlelike flowers | Unrelated: archaeornis: extinct primitive toothed bird with a long feathered tail and three free clawed digits on each wing
Broader: knapweed: any of various plants of the genus Centaurea having purple thistlelike flowers | Unrelated: ericaceae: heathers
Broader: knapweed: any of various plants of the genus Centaurea having purple thistlelike flowers | Unrelated: point of honor: a concern that seriously reflects on your honor
Broader: knapweed: any of various plants of the genus Centaurea having purple thistlelike flowers | Unrelated: fertilization membrane: the membrane that forms around a fertilized ovum and prevents penetration by additional spermatozoon