KNAPWEED • FREE-TRANSLATOR.COM • Definition of Knapweed

... play in the waggon-track. At even a fern-owl beats by, passing close to the eaves whence the moths issue. On the narrow waggon-track which descends along a coombe and is worn in chalk, the heat pours down by day as if an invisible lens in the atmosphere focussed the sun's rays. Strong woody knapweed endures it, so does toadflax and pale blue scabious, and wild mignonette. The very sun of Spain burns and burns and ripens the wheat on the edge of the coombe, and will only let the spring moisten a yard or two around it; ...

— The Life of the Fields • Richard Jefferies