Peonies, The Manual of the American Peony Society, edited by James Boyd © 1928 American Peony Society: [Check List of Chinese Peonies in Commerce] Double Peonies, page 53.
Souvenir de Zephir. Origin unknown. Red. Souvenir de 1896. Origin unknown. Violet-red.
SOUVENIR de ZEPHIR (Origin unknown) - Double - Red - Midseason.
