Lodging in Nesta’s house in East Sussex during the war, Gluck suffered a severe bout of illness, shortly after which she made this flower painting, which she considered one of her finest. Convolvulus wilt in a matter of hours, and in the five weeks of solid work it took to complete the painting, Gluck had to scour the hedgerows for replacement blooms. (https://www.nytimes.com/slideshow/2017/02/01/t-magazine/art/a-groundbreaking-20th-century-artist-rediscovered/s/01tmag-gluck-slide-AK3O.html)