Orders of Cistaceae, Bixaceae, Violaceae, and Passifloraceae Small 314×320 Medium 628×640 Large 1005×1024 Download TIFF Original 3076×3135 | (921.6 KB) Description Flowers of the orders of cistaceae, bixaceae, violaceae, and passifloraceae are pictured. These flowers include (1) helianthemum, (2) cistus, (3) bixa, and (4) viola. Keywords bixa, bixaceae, Cistaceae, cistus, flower, flower diagram, flower parts, Helianthemum, order, Passifloraceae, viola, Violaceae Galleries Flower Anatomy, Flowers and Shrubs: C Source: L. H. Bailey Standard Cyclopedia of Horticulture (New York, New York: The MacMillan Company, 1917) volume 1, page 55